În prezent este conferențiar dr. la Universitatea Danubius din Galați.
LIST OF PAPERS
Associate Professor PhD. CATALIN ANGELO IOAN
10 Thesis
T 1. Ioan Catalin Angelo, "Semi-Riemannian foliations" - Monograph, Evrika Publishing House, Brăila, ISBN 973-641-001-12002, 150 pages, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/aK6751dd06.pdf
20 Published books (Ca, Cb, Cc), published guidelines (I1, I2 etc.), chapters published in collective volumes, drafted theoretical chapters, functional laboratory systems, etc. (D1, D2 etc.), where appropriate, contributing to the provision and improvement of didactic, professional activities.
C 1. Ioan Cătălin Angelo, “Mathematics.01.Algebra“, Zigotto Publishers, Galați, 174 pages, 2021
C 2. Ioan Cătălin Angelo, “Mathematics.02. Mathematical analysis and differential equations“, Zigotto Publishers, Galați, 174 pages, 2021
C 3. Ioan Cătălin Angelo, “Mathematics.03. Linear algebra, analytical and differential geometry“, Zigotto Publishers, Galați, 366 pages, 2021
C 4. Ioan Cătălin Angelo, “Mathematics.04. Probability Theory and Mathematical Statistics“, Zigotto Publishers, Galați, 362 pages, 2021
C 5. Ioan Cătălin Angelo, “Mathematics.05. Numerical analysis“, Zigotto Publishers, Galați, 202 pages, 2021
C 6. Ioan Cătălin Angelo, “Mathematics.06. Graph theory“, Zigotto Publishers, Galați, 110 pages, 2021
C 7. Ioan Cătălin Angelo, “Mathematics.07. Special mathematics“, Zigotto Publishers, Galați, 222 pages, 2021
C 8. Ioan Cătălin Angelo, “Mathematics.08. Mathematical models“, Zigotto Publishers, Galați, 320 pages, 2021
C 9. Ioan Cătălin Angelo, “Mathematics.09. Famous mathematicians“, Zigotto Publishers, Galați, 96 pages, 2021
C 10. Ioan Cătălin Angelo, “Mathematics.10. Contributions to the geometry of semi-Riemannian foliations“, Zigotto Publishers, Galați, 156 pages, 2021
C 11. Ioan Cătălin Angelo, Ioan Gina, “Mathematics.11.Matheconomcs“, Zigotto Publishers, Galați, 442 pages, 2021
C 12. Ioan Cătălin Angelo, “Mathematics.12. Urbanism and landscaping“, Zigotto Publishers, Galați, 114 pages, 2021
C 13. Ioan Cătălin Angelo, “Mathematics.13. Studies and articles. Volume 1“, Zigotto Publishers, Galați, 338 pages, 2021
C 14. Ioan Cătălin Angelo, “Mathematics.14. Studies and articles. Volume 2“, Zigotto Publishers, Galați, 328 pages, 2021
C 15. Ioan Cătălin Angelo, “Mathematics.15. Studies and articles. Volume 3“, Zigotto Publishers, Galați, 328 pages, 2021
C 16. Ioan Cătălin Angelo, “Mathematics.16. Studies and articles. Volume 4“, Zigotto Publishers, Galați, 338 pages, 2021
C 17. Ioan Cătălin Angelo, “Mathematics.17. Studies and articles. Volume 5“, Zigotto Publishers, Galați, 318 pages, 2021
C 18. Ioan Cătălin Angelo, “Mathematics.18. Studies and articles. Volume 6“, Zigotto Publishers, Galați, 270 pages, 2021
C 19. Ioan Catalin Angelo, “Applied Mathematics Economics – ID-FR Course. Revised and added edition“, Danubius University Publishing House, Galati, 978-606-533-038-2, 138 pages, 2019
C 20. Ioan Catalin Angelo, “Modeling the monetary-financial decision – ID-FR Course. Revised and added edition“, Danubius University Publishing House, Galati, 978-606-533-038-2, 166 pages, 2019
C 21. Ioan Catalin Angelo, “Economic projects and business games – ID-FR Course. Revised and added edition“, Danubius University Publishing House, Galati, 978-606-533-038-2, 166 pages, 2019
C 22. Ioan Catalin Angelo/Ioan Gina, “Methods of mathematical modeling in economics. Revised and added edition”, Zigotto Publishing House, Galati, ISBN 978-606-8303-65-6, 226 pages, 2019
C 23. Ioan Catalin Angelo, “Mathematics. Revised edition“, Zigotto Publishing House, Galati, 978-973-1724-03-4, 424 pages, 2019
C 24. Ioan Catalin Angelo, “THE CHANCE - BETWEEN FINITE AND INFINITE. Probability Theory and Statistics. Revised and added edition”, Zigotto Publishing House, Galati, ISBN 973-606-261-8 , 410 pages, 2019
C 25. Ioan Catalin Angelo, Pușcă Corneliu Andy, Nuță Florian Marcel, Ioan Gina (coord.), “Economic development models of emerging countries”, Danubius University Publishing House, Galati, ISBN:978-606-533-0-0, 470 pages, 2019
C 26. Ioan Catalin Angelo/Ioan Gina, “An equilibrium model with applications for the European Union countries”, Economic development models of emerging countries, Danubius University Publishing House, Galati, ISBN:978-606-533-0-0, 2019, pp.7-208
http://evidentacercetare.univ-danubius.ro/Surse/Set_014/PsI4n6QpHA.pdf
C 27. Ioan Catalin Angelo/Andy Corneliu Pușcă/Benone Pușcă/Fănel Teodorașcu (coord.), “FOREIGN DIRECT INVESTMENT – key factor for the economic development of emerging countries”, Danubius University Press, Galati, 380 pages, 2018
C 28. Ioan Cătălin Angelo, “Matematics“, Zigotto Publishing House, Galati, 978-973-1724-03-4, 486 pages, 2017
C 29. Ioan Catalin Angelo, "Applied Mathematics Economics - ID-FR Course. Revised and Added Edition", Danubius University Publishing House, Galati 978-606-533-477-9, 160 pages, 2018
C 30. Ioan Catalin Angelo, "Economic Statistics - ID-FR Course", Danubius University Publishing House, Galati 978-606-533-478-6, 123 pages, 2018
C 31. Ioan Catalin Angelo, "THE CHANCE - BETWEEN FINITE AND INFINITE. Probability Theory and Statistics", Zigotto Publishing House, Galati, ISBN, 410 pages, 2017
C 32. Ioan Catalin Angelo/Ioan Gina, "Macroeconomics", Zigotto Publishing House, Galati, ISBN 978-606-669-216-8, 226 pages, 2017
http://evidentacercetare.univ-danubius.ro/Surse/Set_012/OC0oG9h7Re.pdf
C 33. Ioan Catalin Angelo/Ioan Gina, “The analysis of European Union Countries Index of Globalization from the Viewpoint of Clusters” in Innovative approaches in the management of competitiveness of business, Coord. A.Berezin, M. Bezpartochnyi, ISSN:1877-0444, pp.18-24, ISMA University Publishers, Riga, Latvia, 2016
http://evidentacercetare.univ-danubius.ro/Surse/Set_010/C0hdV1Kd3F.pdf
C 34. Ioan Catalin Angelo/Ioan Gina, "Galati-Braila. Last. News. Perspectives - Analysis of the economic activity of the Danubian counties relative to the net average earning average", ISBN 978-606-533-450-2, pp. 51-74, Danubius University Publishing House, Galati, 2017
http://evidentacercetare.univ-danubius.ro/Surse/Set_012/Xh0p5jOTcB.pdf
C 35. Ioan Catalin Angelo/Ioan Gina, "Prices and Competition", Zigotto Publishing House, Galati, ISBN 978-606-669-175-8, 286 pages, 2014
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/kq75Db4rW1.pdf
C 36. Ioan Catalin Angelo/Ioan Alin Cristian, “Algebra”, Zigotto Publishing House, Galati, ISBN 978-606-8303-65-6, 252 pages, 2014
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/MDDJ64kU1A.pdf
C 37. Ioan Catalin Angelo/Ioan Alin Cristian, “Mathematical analysis”, Zigotto Publishing House, Galati, ISBN 978-606-8303-65-6, 164 pages, 2014
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/1hO7Xz4Iao.pdf
C 38. Ioan Catalin Angelo, “Mathematics“, Sinteze Publishing House, Galati, ISBN 978-606-585-071-2, 516 pages, 2012
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/SGq16KmpeF.pdf
C 39. Ioan Catalin Angelo/Ioan Gina, “Mateconomics“, Zigotto Publishing House, Galati, ISBN 978-606-8303-67-0, 532 pages, 2012
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/N4fcNxwAN6.pdf
C 40. Ioan Catalin Angelo/Ioan Gina, "Methods of Mathematical Modeling in Economics", Zigotto Publishing House, Galati, ISBN 978-606-8303-65-6, 322 pages, 2012
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/9T1fEcd9xV.pdf
C 41. Ioan Catalin Angelo, “Elements of econometrics“, Zigotto Publishing House, Galati, ISBN 978-606-8303-30-7, 250 pages, 2011
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/4e8TPy792Z.pdf
C 42. Ioan Catalin Angelo, “Mathematical fundamentals of financial engineering“, Sinteze Publishing House, Galati, ISBN 978-606-585-044-6, 180 pages, 2011
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/EWg7uOho09.pdf
C 43. Ioan Catalin Angelo/Ioan Gina, "n-Microeconomics", Zigotto Publishing House, Galati, ISBN 978-606-8303-34-5, 382 pages, 2011
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/iGIv02fN4i.pdf
C 44. Ioan Catalin Angelo/Ioan Gina, "n-Microeconomics. Aplications", Sinteze Publishing House, Galati, ISBN 978-606-585-045-3, 174 pages, 2011
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/w3mVSJAr57.pdf
C 45. Ioan Catalin Angelo/Ioan Gina, "Methods of Mathematical Modeling in Economics", Sinteze Publishing House, Galati, ISBN 978-606-585-046-0, 300 pages, 2011
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/7k4LTj17Y8.pdf
C 46. Ioan Catalin Angelo, “Mathematics applied in the economy“, DANUBIUS University Publishing House, Galati, 2010, ISBN 978-606-533-035-1, 198 pages, 2010
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/v50041BFbQ.pdf
C 47. Ioan Catalin Angelo, “Modeling the financial and accounting decision“, DANUBIUS University Publishing House, Galati, 2010, ISBN 978-606-533-038-2, 96 pages, 2010
C 48. Ioan Catalin Angelo/Ioan Gina, "Applied Mathematics in Micro and Macroeconomics", Sinteze Publishing House, Galati 978-606-585-015-6, 534 pages, 2010
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/02Tg31Z5J6.pdf
C 49. Ioan Catalin Angelo/Ioan Gina, "Mathematical models and methods in economic activity", Sinteze Publishing House, Galati 978-606-585-014-9, 478 pages, 2010
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/v9s5SgNEx0.pdf
C 50. Ioan Catalin Angelo, “Mathematical methods for modeling economic phenomena-vol.I-games theory, mathematical models in financial management, decision models“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2496-5, 208 pages, 2009
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/33QkB52OKh.pdf
C 51. Ioan Catalin Angelo, “ Mathematical methods for modeling economic phenomena-vol.II-Models and methods for optimizing the firm's business“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2496-5, 256 pages, 2009
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Um3176m6I3.pdf
C 52. Ioan Catalin Angelo, “Mathematics – I“, Sinteze Publishing House, Galati, ISBN 978-973-1917-15-3, 512 pages, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/WJ7gi3u2A1.pdf
C 53. Ioan Catalin Angelo, “ Mathematics – II“, Sinteze Publishing House, Galati, ISBN 978-973-1917-14-6, 440 pages, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/EBj938kETN.pdf
C 54. Ioan Catalin Angelo, “Mathematics applied in the economy“, DANUBIUS University Publishing House, Galati, ISBN 978-973-1746-81-4, 108 pages, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/vwY6Uy3Hb7.pdf
C 55. Ioan Catalin Angelo, “Modeling the financial and accounting decision“, DANUBIUS University Publishing House, Galati, ISBN 978-973-1746-82-1, 110 pages, 2008
C 56. Ioan Catalin Angelo, “Economic projects and business games“, DANUBIUS University Publishing House, Galati, ISBN 978-606-533-003-0, 88 pages, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/B9shlK6o6P.pdf
C 57. Ioan Catalin Angelo, “Better manage public funds”, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2339-5, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/EB1vmN7293.pdf
C 58. Ioan Catalin Angelo, “High performance management in the Galati business environment”, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2422-4, 2008
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/I7GJ2S6637.pdf
C 59. Ioan Catalin Angelo, “Mathematics“, Sinteze Publishing House, Galati, ISBN 978-973-7772-77-0, 384 pages, 2007
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/58PB2Mb1K9.pdf
C 60. Ioan Catalin Angelo, “Applications of mathematics in the economy“, Sinteze Publishing House, Galati, ISBN 978-973-7772-76-3, 216 pages, 2007
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/458HKw9fw3.pdf
C 61. Ioan Catalin Angelo, “Mathematics - introductory course for economists“, Sinteze Publishing House, Galati, ISBN 978-973-7772-55-8, 640 pages, 2006
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Sw3F2h548M.pdf
C 62. Ioan Catalin Angelo, “Economic Applications of Mathematics“, Zigotto Publishing House, Galati, ISBN 978-973-1724-03-4, 198 pages, 2006
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/a7eVEyiB9f.pdf
C 63. Ioan Catalin Angelo, “Urbanism and landscaping“, Zigotto Publishing House, Galati, ISBN 978-973-1724-05-8, 114 pages, 2006
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/u3nF7J6Lzf.pdf
C 64. Ioan Catalin Angelo, “Mathematics applicable in the economy“, Sinteze Publishing House, Galati, 2005, 488 pages, ISBN 973-7772-31-8
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/p4w2w87w25.pdf
C 65. Ioan Catalin Angelo, “Matematici aplicate în economie – B“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1841-4, 294 pages (ediția a doua), 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Fsr85B540y.pdf
C 66. Ioan Catalin Angelo/Păunescu Coriolan/Turtureanu Anca Gabriela, “Current management - from theory to mathematical modeling“, Sinteze Publishing House, Galati, ISBN 973-7772-41-5, 380 pages, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/p9hpI7TO9w.pdf
C 67. Ioan Catalin Angelo/Păunescu Coriolan/Turtureanu Anca Gabriela, “Fundamental marketing elements“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1186-X, 244 pages, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/3IPZ829q3s.pdf
C 68. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Current issues of services and tourism“, Zigotto Publishing House, Galati, ISBN 973-87489-8-4, 332 pages, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/b2q5QM8w1F.pdf
C 69. Ioan Catalin Angelo, “Office systems and expertise“, Zigotto Publishing House, Galati, ISBN 973-87489-6-8, 166 pages, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/nakmeDotf0.pdf
C 70. Ioan Catalin Angelo, “ Mathematics applied in the economy – A“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1841-4, 473 pages, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/oP208JrN9e.pdf
C 71. Ioan Catalin Angelo, “ Mathematics applied in the economy – B“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1841-4, 294 pages, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/m8wl5ea122.pdf
C 72. Ioan Catalin Angelo, “Mathematics applied in the economy – C”, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1841-4, 284 pages, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/6piF7aIlm5.pdf
C 73. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Services economy“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-1374-5, 146 pages, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/hTBl7W1112.pdf
C 74. Ioan Catalin Angelo, “Mathematics I”, Academic Danubius Foundation Publishing House, Galati, ISBN 973-8409-05-5, 132 pages, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/4qqlpFt817.pdf
C 75. Ioan Catalin Angelo, “ Mathematics II“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-8409-29-2, 116 pages, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/M75lbA4oF0.pdf
C 76. Ioan Catalin Angelo/Turtureanu Anca Gabriela/Horneț Carmen Gabriela, “Natural resources economy“, Didactic and Pedagogical Publishing House, Bucharest, ISBN 973-30-2394-9, 134 pages, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Xn0Nd1ByNA.pdf
C 77. Ioan Catalin Angelo/Ionescu Victor Romeo/Turtureanu Anca Gabriela, “Grid tests for the admission exam“, Universitatea „Danubius” Galati, 74 pages, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/GR9g828rhj.pdf
C 78. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “ALGORITHMS of mathematical modeling of company management“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-8409-17-9, 306 pages, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/H0L4F3jX16.pdf
C 79. Ioan Catalin Angelo, “Mathematics“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85587-7-8, 392 pages, 2002
C 80. Ioan Catalin Angelo, “Economic Mathematics - Higher Algebra“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85101-7-1, 374 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/fe5FUD3GHX.pdf
C 81. Ioan Catalin Angelo, “Economic Mathematics - Mathematical Analysis, Differential Equations, Probability Theory“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85101-8-X, 472 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/W3DojeSpId.pdf
C 82. Ioan Catalin Angelo, “Financial Mathematics“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85587-3-5, 182 pages, 2001
C 83. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Economy of tourism and the environment-applications“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85101-3-9, 116 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/J72s50954D.pdf
C 84. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Urbanism and landscaping“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85216-2-9, 170 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/JjV4TL2eg6.pdf
C 85. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “ Urbanism and landscaping - applications“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85216-3-7, 70 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/rZG0O4GnS0.pdf
C 86. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Economic geography-applications“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85216-8-8, 206 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Ye68hS66Ux.pdf
C 87. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Services economy-applications“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85216-7-X, 96 pages, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/g8gev5hMZV.pdf
C 88. Ioan Catalin Angelo, “Mathematical modeling of company management“, Evrika Publishing House, Braila, ISBN 973-85101-4-7, 298 pages, 2000
C 89. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Economy of tourism and the environment“, Academic Danubius Foundation Publishing House, Galati, ISBN 973-85101-2-0, 280 pages, 2000
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/EAPQERA13b.pdf
C 90. Ioan Catalin Angelo, “Economic Mathematics“, Evrika Publishing House, Braila, ISBN 973-9499-95-3, 474 pages, 1999
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/XzY54BiM83.pdf
C 91. Ioan Catalin Angelo, “Economic Mathematics - Problems Collection“, Evrika Publishing House, Braila, ISBN 973-8052-01-7, 196 pages, 1999
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/DJDa3DxnP8.pdf
C 92. Ioan Catalin Angelo, “Financial Mathematics“, Evrika Publishing House, Braila, ISBN 973-9499-96-1, 126 pages, 1999
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/TC43bb52x6.pdf
C 93. Ioan Catalin Angelo, “Financial Mathematics - Problems Collection“, Evrika Publishing House, Braila, ISBN 973-8052-00-9, 118 pages, 1999
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/IyI1635m45.pdf
C 94. Ioan Catalin Angelo, “Mathematics applied in the economy“, Vol. I, Economic Independence Publishing House, Braila, ISBN 973-97271-8-2, 284 pages, 1996
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/Sg9k2fp1EH.pdf
C 95. Ioan Catalin Angelo, “Mathematics applied in the economy-applications“, Vol. II, Economic Independence Publishing House, Braila, ISBN 973-97271-9-0, 140 pages, 1996
http://evidentacercetare.univ-danubius.ro/Surse/Set_011/gL4E57vLwA.pdf
30 Articles, published studies:
a) in recognized internationally ISI journals or indexed in international databases specific to the field, making a journals selection process based on Performance Criteria (Ris):
Ris 1. Ioan Cătălin Angelo, “Determination of Unconditional Extremes of the Functions of Fundamental Symmetric Polynomials”, Acta Universitatis Danubius. Oeconomica, Vol.18, Nr.1, ISSN:2065-0175, pp.225-237, factor de impact REPEC:.065, 2019
https://dj.univ-danubius.ro/index.php/AUDOE/article/view/1598/1836
Ris 2. Ioan Cătălin Angelo/Ioan Gina, “An Equilibrium Model with Applications for some of the North and Central American Countries”, Acta Universitatis Danubius. Oeconomica, Nr.7, Vol.15, ISSN:2065-0175, pp.330-439, factor de impact REPEC:.065, 2019
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/6391/5374
Ris 3. Ioan Cătălin Angelo/Ioan Gina, “The Dependence of Net Average Wage on Labour Productivity in Romania”, Euroeconomica Vol.39, nr. 2, ISSN 1582-8859, pp. 7-47, 2020
http://dj.univ-danubius.ro/index.php/EE/article/view/288/474
Ris 4. Ioan Cătălin Angelo, “A Method of Determining Divisibility with Any Natural Number”, Acta Universitatis Danubius. Oeconomica, Nr.2, Vol.16, ISSN:2065-0175, pp.311-368, factor de impact REPEC:.065, 2020
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/6634/6205
Ris 5. Ioan Cătălin Angelo/Ioan Gina, “An Equilibrium Model with Applications for some of the South American countries”, Acta Universitatis Danubius. Oeconomica, Nr.1, Vol.16, ISSN:2065-0175, pp.139-194, impact factor REPEC:.065, 2019
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/6443/5552
Ris 6. Ioan Catalin Angelo/Ioan Gina, “An Equilibrium Model with Applications for Some of the Asian and Australia-Oceania Countries - Part One”, Euroeconomica Vol.38, nr. 2, ISSN 1582-8859, pp. 97-226, 2019
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/6311/5165
Ris 7. Ioan Catalin Angelo/Ioan Gina, “An Equilibrium Model with Applications for Some of the Asian and Australia-Oceania Countries - Part Two”, Acta Universitatis Danubius. Oeconomica, Nr.6, Vol.15, ISSN:2065-0175, pp.302-456, impact factor REPEC:.065, 2019
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/6295/5156
Ris 8. Ioan Catalin Angelo/Ioan Gina, “An Equilibrium Model with Applications for the European Union Countries”, Acta Universitatis Danubius. Oeconomica, Nr.1, Vol.15, ISSN:2065-0175, pp.265-409, impact factor REPEC:.065, 2019
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/5703/4862
Ris 9. Ioan Catalin Angelo/Ioan Gina, “An Unified Consumption and Production Model for a Closed Economy”, Journal of Accounting and Management, Nr.2, Vol.8, ISSN:2284-9459, pp.5-10, 2019
http://journals.univ-danubius.ro/index.php/jam/article/view/4470/4775
Ris 10. Ioan Catalin Angelo/Ioan Gina, “Analysis of the main economic indicators of the World”, Acta Universitatis Danubius, Oeconomica – special issue, nr.2, vol.14, ISSN 2065-0175, pp. 195-461
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4851/4441
Ris 11. Ioan Catalin Angelo/Ioan Gina, “An Analysis of Gross Domestic Product from Foreign Direct Investments, Gross Capital Formation and Taxation”, Acta Universitatis Danubius, Oeconomica – special issue, nr.2, vol.14, ISSN 2065-0175, pp. 64-194
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4741/4438
Ris 12. Ioan Catalin Angelo/Ioan Gina, “Labor analysis for developing countries and regions of the World – Part one”, Acta Universitatis Danubius, Oeconomica, nr.5, vol.14, ISSN 2065-0175, pp. 299-534
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4811/4598
Ris 13. Ioan Catalin Angelo/Ioan Gina, “Labor analysis for developing countries and regions of the World – Part two”, Acta Universitatis Danubius, Oeconomica, nr.7, vol.14, ISSN 2065-0175, pp.428-654
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4831/4802
Ris 14. Ioan Catalin Angelo, “Demographics and Poverty analysis for developing countries and regions of the World for developing countries and regions of the World – Part one”, Acta Universitatis Danubius, Oeconomica, nr.4, vol.14, ISSN 2065-0175, pp.395-566
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4809/4525
Ris 15. Ioan Catalin Angelo, “Demographics and Poverty analysis for developing countries and regions of the World for developing countries and regions of the World – Part two”, Acta Universitatis Danubius, Oeconomica, nr.5, vol.14, ISSN 2065-0175, pp. 533-716
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4816/4599
Ris 16. Ioan Catalin Angelo, “Demographics and Poverty analysis for developing countries and regions of the World for developing countries and regions of the World – Part three”, Acta Universitatis Danubius, Oeconomica, nr.6, vol.14, ISSN 2065-0175, pp. 344-495
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4827/4680
Ris 17. Ioan Catalin Angelo, “Global Education Level Analysis - Part one”, Acta Universitatis Danubius, Oeconomica, nr.4, vol.14, ISSN 2065-0175, pp. 156-394
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4808/4524
Ris 18. Ioan Catalin Angelo, “Global Education Level Analysis - Part two”, Acta Universitatis Danubius, Oeconomica, nr.4, vol.14, ISSN 2065-0175, pp. 103-280
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4817/4675
Ris 19. Ioan Catalin Angelo, “Global Education Level Analysis – Part three”, Acta Universitatis Danubius, Oeconomica, nr.7, vol.14, ISSN 2065-0175, pp.272-427
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4829/4801
Ris 20. Ioan Catalin Angelo, “Global Education Level Analysis - Part four”, Acta Universitatis Danubius, Oeconomica, nr.2, vol.15, ISSN 2065-0175, pp.307-439
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4830/4889
Ris 21. Ioan Catalin Angelo/Ioan Gina, “Analysis and Forecast GDP of Romania during 1995-2014”, Journal of Accounting and Management, Nr.2, Vol.7, ISSN:2284-9459, pp.26-125
http://journals.univ-danubius.ro/index.php/jam/article/view/4406/4184
Ris 22. Ioan Catalin Angelo/Ioan Gina, “The analysis of the number of employees, net nominal earnings and labour productivity in Romania“, Euroeconomica nr. 2, ISSN 1582-8859, pp. 179-194, 2017
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/4030/4285
Ris 23. Ioan Catalin Angelo/Ioan Gina, “An analysis of two types of regressions for the same dataset”, Acta Universitatis Danubius, Oeconomica, nr.3, vol.14, ISSN 2065-0175, pp. 312-318
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4479/4481
Ris 24. Ioan Catalin Angelo/Ioan Gina, “On certain conditions for generating production functions - II”, Journal of Accounting and Management, Nr.1, Vol.7, ISSN:2284-9459, pp.58-63
http://journals.univ-danubius.ro/index.php/jam/article/view/3983/4176
Ris 25. Ioan Catalin Angelo/Ioan Gina, “The determination of a graph center”, Journal of Accounting and Management, Nr.1, Vol.8, ISSN:2284-9459, pp. 23-26
http://journals.univ-danubius.ro/index.php/jam/article/view/4464/4708
Ris 26. Ioan Catalin Angelo, “Again about Andrica’s conjecture...”, Acta Universitatis Danubius, Oeconomica, nr.3, vol.13, ISSN 2065-0175, pp.198-202
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3940/4092
Ris 27. Ioan Catalin Angelo, “Analysis of natural movement of romanian population during 2007-2014 - I”, Acta Universitatis Danubius, Oeconomica, nr.3, vol.13, ISSN 2065-0175, pp.53-208
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4032/4139
Ris 28. Ioan Catalin Angelo, “Analysis of natural movement of romanian population during 2007-2014 - II”, Acta Universitatis Danubius, Oeconomica, nr.5, vol.13, ISSN 2065-0175, pp. 253-400
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4033
Ris 29. Ioan Catalin Angelo, “Analysis of natural movement of romanian population during 2007-2014 - III”, Acta Universitatis Danubius, Oeconomica, nr.6, vol.13, ISSN 2065-0175, pp. 5-130
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4034
Ris 30. Ioan Catalin Angelo, “Analysis of natural movement of romanian population during 2007-2014 - IV”, Acta Universitatis Danubius, Oeconomica, nr.1, vol.14, ISSN 2065-0175, pp. 243-354
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/4035/4411
Ris 31. Ioan Catalin Angelo, “Some aspects of production functions differential geometry”, Acta Universitatis Danubius, Oeconomica, nr.2, vol.13, ISSN 2065-0175, pp. 234-245
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3335/3972
Ris 32. Ioan Catalin Angelo/Ioan Gina, “The analysis of dependence of household deposits and loans from the money supply”, Acta Universitatis Danubius, Oeconomica, nr.2, vol.13, ISSN 2065-0175, pp. 185-202
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3331/3968
Ris 33. Ioan Catalin Angelo/Ioan Gina, “The Relationship between Spatial Interdependencies in the European Union and the Trade-II”, Acta Universitatis Danubius, Oeconomica, nr.1, vol.13, ISSN 2065-0175, pp.51 – 144
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3317/3850
Ris 34. Ioan Catalin Angelo/Ioan Gina, “The Relationship between Spatial Interdependencies in the European Union and the Trade-I”, Acta Universitatis Danubius, Oeconomica, nr.6, vol.12, ISSN 2065-0175, pp.5 – 118
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3313/3726
Ris 35. Ioan Catalin Angelo/Ioan Gina, “A Mathematical Model of Working Time and Leisure“, Euroeconomica nr.2 (35), ISSN 1582-8859, pp.41-47, 2016
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/3319/3688
Ris 36. Ioan Catalin Angelo/Ioan Gina, “An Analysis of a Duopoly with Incomplete Information”, Acta Universitatis Danubius, Oeconomica, nr.5, vol.12, ISSN 2065-0175, pp.5 – 18
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3328/3570
Ris 37. Ioan Catalin Angelo/Ioan Gina, “An Equilibrium Model for the Romanian Economy”, Journal of Accounting and Management, Nr.2, Vol.6, ISSN:2284-9459, pp.41 – 75
http://journals.univ-danubius.ro/index.php/jam/article/view/3376/3537
Ris 38. Ioan Catalin Angelo/Ioan Gina, “Aspects of spatial interdependencies in the European Union”, Journal of Accounting and Management, Nr.2, Vol.6, ISSN:2284-9459, pp.21 -27
http://journals.univ-danubius.ro/index.php/jam/article/view/3295/3468
Ris 39. Ioan Catalin Angelo/Toderașcu Diana, “The Role of Fashion Style in Creating the First Impression”, Acta Universitatis Danubius, Oeconomica, nr.4, vol.12, ISSN 2065-0175, pp.255-275
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3321/3458
Ris 40. Ioan Catalin Angelo/Ioan Gina, “The Determination of Spatial Interdependencies in the European Union”, Acta Universitatis Danubius, Oeconomica, nr.4, vol.12, ISSN 2065-0175, pp.133-152
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3294/3450
Ris 41. Ioan Catalin Angelo/Ioan Gina, “Considerations on the Laffer curve”, Journal of Accounting and Management, Nr.1, Vol.6, ISSN:2284-9459, pp.11-16
http://journals.univ-danubius.ro/index.php/jam/article/view/3193/3261
Ris 42. Ioan Catalin Angelo/Ioan Gina, “On Certain Conditions for Generating Production Functions - I“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.12, ISSN 2065-0175, pp.129-150
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3192/3112
Ris 43. Ioan Catalin Angelo, “About the Non-Research Methodology ...“, Journal of Accounting and Management, nr.2, vol.5, ISSN: 2284 – 9459, pp.96-99
http://www.journals.univ-danubius.ro/index.php/jam/article/view/3133
Ris 44. Ioan Catalin Angelo/Ioan Gina, “The Complete Theory of Generalized CES Production Function“, Journal of Accounting and Management, nr.2, vol.5, ISSN: 2284 – 9459, pp.15-37
http://journals.univ-danubius.ro/index.php/jam/article/view/2702
Ris 45. Ioan Catalin Angelo/Ioan Alin Cristian, “A study of continued fractions using software tools – I“, Journal of Accounting and Management, nr.1, vol.5, ISSN: 2284 – 9459, pp.23-27
http://journals.univ-danubius.ro/index.php/jam/article/view/2489
Ris 46. Ioan Catalin Angelo, “About rigor, research and teaching in Romanian economy“, Journal of Accounting and Management, nr.1, vol.5, ISSN: 2284 – 9459, pp.35-41
http://journals.univ-danubius.ro/index.php/jam/article/view/2859
Ris 47. Ioan Catalin Angelo/Ioan Alin Cristian, “A study of integers using software tools – I“, Acta Universitatis Danubius, Oeconomica, nr.3, vol.11, ISSN 2065-0175, pp.197-202
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2475/2441
Ris 48. Ioan Catalin Angelo/Ioan Alin Cristian, “A study of integers using software tools – II“, Journal of Accounting and Management, nr.3, vol.5, ISSN: 2284 – 9459, pp.69-74
http://journals.univ-danubius.ro/index.php/jam/article/view/2485
Ris 49. Ioan Catalin Angelo/Ioan Alin Cristian, “A study of integers using software tools – III“, Acta Universitatis Danubius, Oeconomica, nr.4, vol.11, ISSN 2065-0175, pp.41-44
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2486
Ris 50. Ioan Catalin Angelo/Ioan Alin Cristian, “A conjecture concerning prime numbers“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, ISSN 2065-0175, pp.241-244
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2470
Ris 51. Ioan Catalin Angelo/Ioan Gina, “A type of a rational production function“, Acta Universitatis Danubius, Oeconomica, nr.5, vol.10, ISSN 2065-0175, pp.59-67
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2446
Ris 52. Ioan Catalin Angelo, “A New Approach to Utility Function“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, 2015, ISSN 2065-0175, pp.193-222
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2703
Ris 53. Ioan Catalin Angelo/Ioan Alin Cristian, “A Conjecture Concerning Prime Numbers“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, 2015, ISSN 2065-0175, pp.241-244
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2470
Ris 54. Ioan Catalin Angelo/Ioan Gina, “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2675
Ris 55. Ioan Catalin Angelo/Ioan Alin Cristian, “About short-term costs and long-term costs“, Journal of Accounting and Management, nr.2, vol.4, ISSN: 2284 – 9459, pp.61-68
http://journals.univ-danubius.ro/index.php/jam/article/view/2464
Ris 56. Ioan Catalin Angelo/Ioan Alin Cristian, “About Andrica’s conjecture“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11,2015, ISSN 2065-0175, pp.149-153
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2465
Ris 57. Ioan Catalin Angelo/Ioan Gina, “Generalized Cobb-Douglas function for two inputs and linear elasticity“, Acta Universitatis Danubius, Oeconomica, nr.6, vol.10, ISSN 2065-0175, pp.58-66
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2439
Ris 58. Ioan Catalin Angelo/Ioan Gina, “Generalized Cobb-Douglas function for three inputs and linear elasticity“, Journal of Accounting and Management, nr.2, vol.4, ISSN: 2284 – 9459, pp.17-22
http://journals.univ-danubius.ro/index.php/jam/article/view/2440
Ris 59. Ioan Catalin Angelo/Ioan Gina, “ An analysis of the substitution effect and of revenue effect in the case of the consumer’s theory provided with an Allen utility function“, Journal of Accounting and Management, nr.3, vol.4, ISSN: 2284 – 9459, pp.15-19
http://journals.univ-danubius.ro/index.php/jam/article/view/27084
Ris 60. Ioan Catalin Angelo/Ioan Gina, “The Localization Problem“, Euroeconomica nr.2 (33), ISSN 1582-8859, pp.141-148
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/2434/2296
Ris 61. Ioan Catalin Angelo/Ioan Gina, “Evolution and Consequences of Economic Crisis in Romania“, Euroeconomica nr.2 (34), ISSN 1582-8859, pp.161-189, 2015
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/2511/3036
Ris 62. Ioan Catalin Angelo/Ioan Alin Cristian, “Stackelberg model for linear marginal costs”, Acta Universitatis Danubius, Oeconomica, nr.5, vol.11, ISSN 2065-0175, pp.67-71
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/3038
Ris 63. Ioan Catalin Angelo/Ioan Alin Cristian, “A rational production function“, Acta Universitatis Danubius, Oeconomica, nr.4, vol.10, ISSN 2065-0175, pp.197-207
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2445/2190
Ris 64. Ioan Catalin Angelo/Ioan Gina, “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784, impact factor (domain): 1,128, impact factor: 0,21365, relative influence score (domain): 0,746, relative influence score (magazine): 0,2882
http://www.tandfonline.com/doi/abs/10.1080/13504851.2011.564117
Citation in: Vilcu G.E., “On Homogeneous Production Functions with Proportional Marginal Rate of Substitution” în Mathematical Problems in Engineering, U.S.A., 2013, Relative impact factor 0,777
Ris 65. Ioan Catalin Angelo, “Degenerate submanifolds of Semi-Riemannian manifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp.1-7, 1997
http://siba2.unile.it/bib1index/10000664.IDX
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:0904.53020&format=complete
http://www.zentralblatt-math.org/zmath/en/citation/?q=an:01156756&type=pdf&format=complete
Citation in G. Gemelli, “The Mathematical Theory of Gravitational Discontinuity Hypersurfaces”, General Relativity and Gravitation, 2002, Springer
Citation in G. Gemelli, “Observer-dependent Gauss-Codazzi formalism for null hypersurfaces in the space-time”, Journal of Geo metry and Physics, 2002, Elsevier
Ris 66. Ioan Catalin Angelo, “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp. 18-30, 1997
http://siba2.unile.it/bib1index/10000664.IDX
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:0904.53021&format=complete
http://www.zentralblatt-math.org/zmath/en/citation/?q=an:01156758&type=pdf&format=complete
Citation in E. Yasar, A.C. Coken, A. Yucesan, “Totally umbilical lightlike hypersurfaces in semi-riemannian manifold with semi-symmetric metric connection”, International Journal of Pure and Applied Mathematics, vol.23, No.3, 2005, pp.379-390
Ris 67. Ioan Catalin Angelo, “Totally geodesic foliations on Semi-Riemannian manifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp.31-34, 1997
http://siba2.unile.it/bib1index/10000664.IDX
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:0910.53018&format=complete
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:01156759&type=pdf&format=complete
Ris 68. Ioan Catalin Angelo, “Minimal foliations on semi-Riemannian manifolds”, Tensor N.S. Japan, vol.58, ISSN 0040-3504, pp.137-142, 1997
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:1034.53025&format=complete
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:01875736&type=pdf&format=complete
Ris 69. Ioan Catalin Angelo, “Totally geodesic foliations and minimal foliations of the Semi-Riemannian manifolds”, Revue Roumaine de Mathematiques pures et appliquees, Tome XLII, Nr. 3-4, ISSN 0035-3965, pp.281-299, 1997
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:0924.53020&format=complete
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:01314938&type=pdf&format=complete
Ris 70. Ioan Catalin Angelo, “Totally Umbilical Lightlike Submanifolds”, Bulletin Mathematique de la Societe des Sciences Mathematiques de Roumanie, Tome 37 (87), Nr.1-4, ISSN 1220-3874, pp.151-172, 1996
http://www.zentralblatt-math.org/zmath/en/citation/?q=an:0884.53044&format=complete
http://www.zentralblatt-math.org/zmath/en/citation/?q=an:01089919&type=pdf&format=complete
Ris 71. Ioan Catalin Angelo, “Education and Research Institutions. The Professional Orientation Analysis of High School Students“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.10, ISSN 2065-0175, pp.265-275, 2014
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2370
Ris 72. Ioan Catalin Angelo/Ioan Gina, “Mathematics and Microeconomics“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.10, ISSN 2065-0175, pp.100-108, 2014
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/2275/2086
Ris 73. Ioan Catalin Angelo, “The behavior of a polynomial regression under a variables transformation“,Journal of Accounting and Management, nr.2, vol.3, ISSN: 2284 – 9459, pp.5-18, 2013
http://journals.univ-danubius.ro/index.php/jam/article/view/1811/1924
Ris 74. Ioan Catalin Angelo/Ioan Gina, “The evolution of GDP in USA using cyclic regression analysis“,Journal of Accounting and Management, nr.1, vol.3, ISSN: 2284 – 9459, pp.21-47, 2013
http://journals.univ-danubius.ro/index.php/jam/article/view/1728/1921
Ris 75. Ioan Catalin Angelo/Ioan Gina, “A Mathematical Model of an Open Economy with Applications in Romania“, Acta Universitatis Danubius, Oeconomica, nr.5, vol.9, ISSN 2065-0175, pp.103-170, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1729
Ris 76. Ioan Catalin Angelo/Ioan Gina, “The Evolution of GDP in USA Using Polynomial Regression Analysis“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.9, ISSN 2065-0175, pp.61-73, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1853
Ris 77. Ioan Catalin Angelo/Ioan Gina, “ The LSM adjustment method of time series“, Euroeconomica nr.3 (32), ISSN 1582-8859, pp.150-155, 2013
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/1968/1896
Ris 78. Ioan Catalin Angelo/Ioan Gina, “The Reduction of Quadratic Forms to the Normal Form with Applications for Production Functions”, Acta Universitatis Danubius, Oeconomica, nr.2, vol.9, ISSN 2065-0175, pp.120-152, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1681
Ris 79. Ioan Catalin Angelo, “On Homogeneous Functions”, Acta Universitatis Danubius, Oeconomica, nr.2, vol.9, ISSN 2065-0175, pp.166-175, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1692/1554
Ris 80. Ioan Catalin Angelo/Ioan Gina, „Romania's Financial Market and Foreign Trade Impaction”, Acta Universitatis Danubius, Oeconomica, nr.3, vol.9, ISSN 2065-0175, pp.100-115, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1695/1602
Ris 81. Ioan Catalin Angelo/Ioan Gina, “An analysis on the net export dependence relative to GDP and the consumer demand for Romania during 2001-2011“, Euroeconomica nr.4 (31), ISSN 1582-8859, pp.98-105, 2012
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/1489
Ris 82. Ioan Catalin Angelo/Ioan Gina, “An analysis on the net export dependence relative to GDP and the consumer demand for Romania during 2001-2011“, Euroeconomica nr.4 (31), ISSN 1582-8859, pp.98-105, 2012
http://journals.univ-danubius.ro/index.php/euroeconomica/article/view/1489
Ris 83. Ioan Catalin Angelo/Ioan Gina, “An analysis on the investment demand dependence relative to GDP and the interest rate for Romania during 2001-2011“,Journal of Accounting and Management, nr.2, vol.2, ISSN: 2284 – 9459, pp.23-31, 2012
http://journals.univ-danubius.ro/index.php/jam/article/view/1486
Ris 84. Ioan Catalin Angelo/Ioan Gina, “An analysis on taxes dependence relative to GDP for Romania during 2001-2011“,Journal of Accounting and Management, nr.2, vol.2, ISSN: 2284 – 9459, pp.23-31, 2012
http://journals.univ-danubius.ro/index.php/jam/article/view/1485
Ris 85. Ioan Catalin Angelo/Ioan Gina, “On the General Theory of Production Functions“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.8, ISSN 2065-0175, pp.223-236, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1035
Ris 86. Ioan Catalin Angelo/Ioan Gina, “The Equilibrium Analysis of a Closed Economy Model with Government and Money Market Sector - II“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.8, ISSN 2065-0175, pp.127-143, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1440
Ris 87. Ioan Catalin Angelo/Ioan Gina, “An Analysis on the Consumer Demand Dependence Relative to the Disposable Income for Romania during 2001-2011“,Acta Universitatis Danubius, Oeconomica, nr.6, vol.8, ISSN 2065-0175, pp.114-123, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1487
Ris 88. Ioan Catalin Angelo/Ioan Gina, “An Analysis on the Money Demand Dependence Relative to GDP and the Interest Rate for Romania during 2001-2011“,Acta Universitatis Danubius, Oeconomica, nr.6, vol.8, ISSN 2065-0175, pp.147-156, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1488
Ris 89. Ioan Catalin Angelo/Ioan Gina, “An Equilibrium Model for an Open Economy. Romania’s Case“,Acta Universitatis Danubius, Oeconomica, nr.1, vol.9, ISSN 2065-0175, pp.102-125, 2013
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1683
Ris 90. Ioan Catalin Angelo/Ioan Gina, “The Problem of Efficiency of the Consumption or Production“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.8, ISSN 2065-0175, pp.117-125, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1034
Ris 91. Ioan Catalin Angelo/Ioan Gina, “Discussions on n Substitutable Goods Production and Consumption“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.8, ISSN 2065-0175, pp.168-176, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1122
Ris 92. Ioan Catalin Angelo, “Considerations on the Hicks effect for n consumer’s goods“, Euroeconomica nr.2 (31), ISSN 1582-8859, pp.116-126, 2012
Ris 93. Ioan Catalin Angelo/Ioan Gina, “The Consumer's Budget from a Geometrically Point of View“,Journal of Accounting and Management, nr.1, vol.2, ISSN: 2284 – 9459, pp.23-30, 2012
http://www.journals.univ-danubius.ro/index.php/jam/article/view/1377
Ris 94. Ioan Catalin Angelo/Ioan Gina, “A method of choice of the importance coefficients in the Electre method“,Journal of Accounting and Management, nr.2, vol.1, ISSN: 2284 – 9459, pp.5-11, 2011
http://www.journals.univ-danubius.ro/index.php/jam/article/viewFile/1343/1129
Citation in M. Nagy, J. Miranda, “Computer Application for Interactive Teaching of Decision Making Methods”, 3rd World Conference on Information Technology (WCIT-2012), Vol.03, 2013, pp. 1584-1589
Ris 95. Ioan Catalin Angelo/Ioan Gina, “An adjustment of the Electre method for the case of intervals“,Journal of Accounting and Management, nr.2, vol.1, ISSN: 2284 – 9459, pp.53-61, 2011
http://journals.univ-danubius.ro/index.php/jam/article/view/1355
Ris 96. Ioan Catalin Angelo/Ioan Gina, “The Complete Solution of the Core-Periphery Model for two Regions Using Successive Approximations“,Acta Universitatis Danubius, Oeconomica, nr.1, vol.8, ISSN 2065-0175, pp.95-106, 2012
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/951/1083
Ris 97. Ioan Catalin Angelo/Ioan Gina, “An Analysis of the Substitution Effect and of Revenue Effect in the Case of the Consumer’s Theory Provided with a CES Utility Function“,Acta Universitatis Danubius, Oeconomica, nr.1, vol.8, ISSN 2065-0175, pp.164-175, 2012
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/950
Ris 98. Ioan Catalin Angelo/Ioan Gina, “The Consumer’s Behavior after the Preferences Nature“,Acta Universitatis Danubius, Oeconomica, nr.2, vol.8, ISSN 2065-0175, pp.127-138, 2012
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/1024/1117
Ris 99. Ioan Catalin Angelo/Ioan Gina, “Intellectual Property Rights in the Era of Information Society“,Acta Universitatis Danubius, Oeconomica, nr.2, vol.8, ISSN 2065-0175, pp.169-174, 2012
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/952/1120
Ris 100. Ioan Catalin Angelo/Ioan Gina, “A method of choice of the best alternative in the multiple solutions case in the Games Theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://journals.univ-danubius.ro/index.php/jam/article/viewFile/1328/1122
Ris 101. Ioan Catalin Angelo/Ioan Gina, “Analysis of the Evolution of the Gross Domestic Product by Means of Cyclic Regressions“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.7, ISSN 2065-0175, pp.118-130, 2011
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/view/948
Ris 102. Ioan Catalin Angelo/Ioan Gina, “Aspects of Price Discrimination in the Monopoly“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.7, ISSN 2065-0175, pp.103 - 114, 2011
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/view/1030
Ris 103. Ioan Catalin Angelo/Ioan Gina, “General Considerations on the Oligopoly“,Acta Universitatis Danubius, Oeconomica, nr.3, vol.8, ISSN 2065-0175, pp.115 - 137, 2012
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/1033/1171
Ris 104. Ioan Catalin Angelo/Ioan Gina, “About the Economical Equilibrium“,Acta Universitatis Danubius, Oeconomica, nr.6, vol.7, ISSN 2065-0175, pp.129 - 140, 2011
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/view/1028
Ris 105. Ioan Catalin Angelo/Ioan Gina, “The Demand’s Behavior under the Action of Factors“,Acta Universitatis Danubius, Oeconomica, nr.6, vol.7, ISSN 2065-0175, pp.115 - 128, 2011
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/1026/1187
Ris 106. Ioan Catalin Angelo/Ioan Gina, “The Analysis of the Evolution of the Gross Domestic Product by Means of Fourier Development“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.7, ISSN 2065-0175, pp.146-161, 2011
http://www.journals.univ-danubius.ro/index.php/oeconomica/article/view/949
Ris 107. Ioan Catalin Angelo/Ioan Gina, “The Equilibrium Analysis of a Closed Economy Model with Government and Money Market Sector“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.7, ISSN 2065-0175, pp.127-143, 2011
http://journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/1091/946
Ris 108. Ioan Catalin Angelo/Ioan Alin Cristian, “On The Nature of Level Hyper Surfaces in the Economic Theory“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.7, ISSN 2065-0175, pp.144-150, 2011
http://journals.univ-danubius.ro/index.php/oeconomica/article/viewFile/1094/947
Ris 109. Ioan Catalin Angelo/Ioan Gina, “Trends and Developments in Romania's Trade Balance in the Period 2006-2010“,Acta Universitatis Danubius, Oeconomica, nr.3, vol.7, ISSN 2065-0175, pp.174 -192, 2011
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1004
Ris 110. Ioan Catalin Angelo, “The extreme of a function subject to restraint conditions“,Acta Universitatis Danubius, Oeconomica, nr.3, vol.7, ISSN 2065-0175, pp.203 - 207, 2011
http://journals.univ-danubius.ro/index.php/oeconomica/article/view/1006
Ris 111. Ioan Catalin Angelo, “The E-learning Limits“,Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.138-159, 2011
http://ideas.repec.org/a/dug/journl/y2008i2p49-53.html
Ris 112. Ioan Catalin Angelo, “A solving method of two economical problems using linear programming in integer numbers“, Euroeconomica nr.21, ISSN 1582-8859, pp.49-53, 2008
http://ideas.repec.org/a/dug/journl/y2008i2p49-53.html
http://www.euroeconomica-danubius.ro/arhiva/euroeconomica%2021/5.ioan.pdf
http://econpapers.repec.org/article/dugjournl/y_3a2008_3ai_3a2_3ap_3a49-53.htm
http://socionet.ru/publication.xml?h=repec:dug:journl:y:2008:i:2:p:49-53&l=en
http://www.icaap.org/list_journal.php?action=show_details&journal_id=326
Ris 113. Ioan Catalin Angelo,“Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
http://ideas.repec.org/a/dug/journl/y2007i18p30-37.html
http://www.icaap.org/list_journal.php?action=show_details&journal_id=326
http://econpapers.repec.org/article/dugjournl/y_3A2007_3Ai_3A18_3Ap_3A30-37.htm
http://socionet.ru/publication.xml?h=repec:dug:journl:y:2007:i:18:p:30-37&l=en
http://www.euroeconomca- danubius.ro/arhiva/euroeconomica%2018/4.Catalin%20Angelo%20IOAN.pdf
Citation in A.D. Vîlcu, G.E. Vîlcu, “On some geometric properties of the generalized CES production functions”, Applied Mathematics and Computation, Volume 218, Issue 1, 1 September 2011, Pages 124–129
Citation in G.E. Vîlcu, “A geometric perspective on the generalized Cobb–Douglas production functions”, Applied Mathematics Letters, Volume 24, Issue 5, May 2011, Pages 777–783
Ris 114. Ioan Catalin Angelo, “Trend of evolution of the Romanian population in the period 2005-2010”, Euroeconomica nr.16, ISSN 1582-8859, pp.53-56, 2006
http://www.euroeconomica-danubius.ro/arhiva/Euroeconomica%20nr%2016.doc
Ris 115. Ioan Catalin Angelo, “An imaginary model of the living universe”, Euroeconomica nr.15, ISSN 1582-8859, pp.67-73, 2005
http://www.euroeconomica-danubius.ro/arhiva/euroeconomica%2015.2005.pdf
Ris 116. Ioan Catalin Angelo, “The choice of optimal decisions în uncertitude situations”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.72-76, 2008
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 117. Ioan Catalin Angelo, “New methods in mathematical management of organization”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.25-64, 2008
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 118. Ioan Catalin Angelo, “A condition for a Sasakian manifold to be of constant curvature”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.163-168, 2008
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 119. Ioan Catalin Angelo, “The sequence operation in production flows”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.16-20, 2007
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 120. Ioan Catalin Angelo, “Degenerate foliations in semi-riemannian manifolds”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.11-76, 2006
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 121. Ioan Catalin Angelo, “A General Type of Almost Contact Manifolds”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.41-54, 2005
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 122. Ioan Catalin Angelo, “Degenerate foliations in Sasakian semi-riemannian manifolds”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.33-40, 2005
http://journals.indexcopernicus.com/karta.php?action=masterlist&id=4766
http://www.doaj.org/doaj?func=findJournals&hybrid=&query=Acta+universitatis
http://journalseek.net/cgi-bin/journalseek/journalsearch.cgi?field=category&query=econ.dev
Ris 123. Ioan Catalin Angelo, “The sequence of two installations without initial deliverance times“, Euroeconomica nr.23, ISSN 1582-8859, pp.5-12, 2009
http://econpapers.repec.org/article/dugjournl/y_3a2009_3ai_3a2_3ap_3a5-12.htm
http://ideas.repec.org/a/dug/journl/y2009i2p5-12.html
http://www.socionet.ru/publication.xml?h=repec:dug:journl:y:2009:i:2:p:5-12&l=en
Ris 124. Ioan Catalin Angelo, “The Production Functions from the Point of View of 3-Dimensional Geometry “,Acta Universitatis Danubius, Nr. V, ISSN 2065-0175, pp.7-15, 2009
http://ideas.repec.org/a/dug/actaec/y2009i1p7-15.html
http://econpapers.repec.org/article/dugactaec/y_3a2009_3ai_3a1_3ap_3a7-15.htm
Ris 125. Ioan Catalin Angelo, “New Assignation Methods of Workers on Jobs“, Acta Universitatis Danubius, Nr. V, ISSN 2065-0175, pp.186-188, 2009
http://ideas.repec.org/a/dug/actaec/y2009i1p186-188.html
http://econpapers.repec.org/article/dugactaec/y_3a2009_3ai_3a1_3ap_3a186-188.htm
http://socionet.ru/publication.xml?h=repec:dug:actaec:y:2009:i:1:p:186-188&l=en
Ris 126. Ioan Catalin Angelo, “A generalization of Some Production Functions“, Acta Universitatis Danubius, Nr. VI, ISSN 2065-0175, pp.110-123, 2010
Ris 127. Ioan Catalin Angelo, “A Method of Determination of an Aquisition Program in Order to Maximize the Total Utility Using Linear Programming in Integer Numbers“, Acta Universitatis Danubius, Nr. VI, ISSN 2065-0175, pp.124 -128, 2010
Ris 128. Ioan Catalin Angelo, “A Method of Determination of an Aquisition Program of N Goods in Order to Maximize the Total Utility“, Acta Universitatis Danubius, Nr. VII, ISSN 2065-0175, pp.103-110, 2010
http://ideas.repec.org/a/dug/actaec/y2010i2p106-113.html
Ris 129. Ioan Catalin Angelo, “Two Methods of Determination of an Aquisition Program in Integer Numbers“, Acta Universitatis Danubius, Nr.IX, ISSN 2065-0175, pp.126-131, 2010
Ris 130. Ioan Catalin Angelo, “The Substitution and the Revenue Effects for a Cobb-Douglas Utility Function“,The Annals of "Dunărea de Jos" University of Galati, XVI/2, ISSN 1584-0409, pp.87-94, 2010
International citations
Ris 1. Rengganik, DR. Sugiyono, “ANALISIS TOTAL FAKTOR PRODUKTIVITAS INDUSTRI MANUFAKTUR DI JAWA BARAT (2010-2015)”, Jurnal Ilmiah Manajemen, Vol. 5, Nr.2, 2021 for the paper “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
Ris 2. Gauree Shanker, Ankit Yadav, “Generalized QR (GQR)- Lightlike Submanifolds of Indefinite Quaternion Kähler Manifolds”, Journal of International Academy of Physical Sciences, Vol.25, Nr.4, pp. 475-494, 2021 for the paper “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp. 18-30, 1997
Ris 3. Husam Wahdan, Zeng Rui Tian, “Assessing the Efficiency of Venture Capital Functioning in the Transforming Economy in UAE and China by a Mathematical Model”, SAGE Open, Vol.12, Nr.1, pp. 1-11, 2022 for the paper “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
https://journals.sagepub.com/doi/10.1177/21582440211068484
Ris 4. Bang-Yen Chen, Alina-Daniela Vilcu, Gabriel Eduard Vilcu, “Classification of graph surfaces induced by weighted-homogeneous functions exhibiting vanishing Gaussian curvature”, Mediterranean Journal of Mathematics, 19(1), pp. 1-13 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 5. Aleksandar Vasilev, “Can Shocks to Risk Aversion Explain Business Cycle Fluctuations in Bulgaria (1999–2019)?”, Managing Global Transitions, 19(4), DOI: 10.26493/1854-6935.19.271-284, pp.271-284, December, 2021 for the paper “An Equilibrium Model for the Romanian Economy“, Journal of Accounting and Management, nr.2, vol.6, 2016, ISSN 2284-9459, pp.41-75
https://www.hippocampus.si/ISSN/1854-6935/19.271-284.pdf
Ris 6. Richard Ilorah, Collins C. Ngwakwe, “Foreign Aid and Economic Development in Sub-Saharan Africa: The Mediating Role of Governance Effectiveness”, Managing Global Transitions 19 (4), pp. 307–326, December, 2021 for the paper “An Equilibrium Model for the Romanian Economy“, Journal of Accounting and Management, nr.2, vol.6, 2016, ISSN 2284-9459, pp.41-75
Ris 7. Nicolo Cangiotti, Mattia Sensi, “A Geometric Characterization of Ves and Kadiyala-Type Production Functions”, Filomat, Vol. 35, Nr.5, pp.1661-1670, April, 2021 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 8. Knyazeva Irina Vladimirovna, Zaikin Nikolai Nikolaevici, Bondarenko Irina Viktorovna, „Discriminarea prin prețuri pe piețele limitate: o analiză teoretică”, Universitatea Financiară și Industrială din Moscova "Synergy" (Moscova) ISSN: 1993-7598, Vol.15, Nr.3 (83), pp. 71-85 for the paper “Aspects of Price Discrimination in the Monopoly“, Acta Universitatis Danubius, Oeconomica, nr.4, vol.7, ISSN 2065-0175, pp.103 - 114, 2011
https://www.elibrary.ru/item.asp?id=46400187
Ris 9. Păunică, M., Manole, A., Motofei, C. and Tănase, G.L., “Resilience of the European Union Economies. An Analysis of the Granger Causality at the Level of the Gross Domestic Product”, Amfiteatru Economic, 23(Special Issue No. 15), 2021, pp. 914-933, DOI: 10.24818/EA/2021/S15/914 for the paper “An analysis on the net export dependence relative to GDP and the consumer demand for Romania during 2001-2011”, EuroEconomica, 4(31), pp. 98-105.
https://www.amfiteatrueconomic.ro/temp/Article_3048.pdf
Ris 10. Haradhan Kumar Mohajan, “Estimation of cost minimization of garments sector by Cobb-Douglas production function: Bangladesh perspective”, Annals of Spiru Haret University, Issue 2/2021, pp.267-299 for the paper “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
Ris 11. Ankit Yadav, Gauree Shanker, Ramandeep Kaur Aulakh, “An investigation on the existence of totally contact umbilical screen-slant lightlike submanifolds of indefinite Sasakian manifolds”, Differential Geometry - Dynamical Systems, Balkan Society of Geometers, Geometry Balkan Press 2021, Vol. 23, pp. 244-254 for the paper “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp. 18-30, 1997
https://www.researchgate.net/profile/Catalin-Ioan/stats/report/weekly/2021-07-11
Ris 12. Achille Dargaud Fofack, Serge Djoudji Temkeng, “How Tight Is the Link between Productivity and Pay in the Mining Industry?”, International Social Science Practice and Research, 2021 for the paper “ The dependence of net average wage on labour productivity in Romania“,Euroeconomica, nr.1, vol.39, pp.7-47
Ris 13. Проневич А.Ф. (Гродно), Хацкевич Г.А. (Минск), “ОБ ОБРАТНЫХ ЗАДАЧАХ ТЕОРИИ ПРОИЗВОДСТВЕННЫХ ФУНКЦИЙ”, X-я Юбилейная международная школа – семинар «Многомерный статистический анализ, эконометрика и моделирование реальных процессов» имени С.А. Айвазяна, pp.94-97, January, 2021 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
http://www.cemi.rssi.ru/publication/books/Aivazian_2021.pdf#page=94
Ris 14. Kraus B., “THE ROLE OF IT MANAGEMENT IN THE DIGITAL ECONOMY”, Journal of Scientific and Academic Research, No.1, February 2020, pp. 29-40 for the paper “Matematică – II“, Editura Sinteze, Galați, ISBN 978-973-1917-14-6, 440 pagini, 2008
Ris 15. Kraus B., “THE ROLE OF IT MANAGEMENT IN THE DIGITAL ECONOMY”, Journal of Scientific and Academic Research, No.1, February 2020, pp. 29-40 for the paper “Managementul actual - de la teorie la modelare matematică“, Editura Sinteze, Galaţi, ISBN 973-7772-41-5, 380 pagini, 2005
Ris 16. Gaspars-Wieloch Helena, “A New Application for the Goal Programming—The Target Decision Rule for Uncertain Problems”, Journal of Risk and Financial Management Vol.13, NO. 280, pp. 1-14, DOI: 10.3390/jrfm13110280 for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
Ris 17. Gaspars-Wieloch Helena, “CRITICAL ANALYSIS OF CLASSICAL SCENARIO-BASED DECISION RULES FOR PURE STRATEGY SEARCHING”, SCIENTIFIC PAPERS OF SILESIAN UNIVERSITY OF TECHNOLOGY, ORGANIZATION AND MANAGEMENT SERIES NO. 149, pp. 155-165, DOI: 10.29119/1641-3466.2020.149.15 for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
Ris 18. Collins C. Ngwakwe, “Causal Relationship Between the BRICS Countries’ Stock Performances During COVID-19”, Acta Universitatis Danubius. Oeconomica, Vol. 16, Nr.4, pp.139-149, 2020 for the paper “The Equilibrium Analysis of a Closed Economy Model with Government and Money Market Sector“,Acta Universitatis Danubius, Oeconomica, nr.5, vol.7, ISSN 2065-0175, pp.127-143, 2011
Ris 19. Collins C. Ngwakwe, “Measuring the Interdependence between Economic Growth and Human Development in South Africa”, Euroeconomica, Vol.39, Nr.2, 2020 for the paper “An analysis on the net export dependence relative to GDP and the consumer demand for Romania during 2001-2011“, Euroeconomica, nr.4, 2012, ISSN 1582-8859, pp.98-105
Ris 20. Collins C. Ngwakwe, “Measuring the Interdependence between Economic Growth and Human Development in South Africa”, Euroeconomica, Vol.39, Nr.2, 2020 for the paper “ An Equilibrium Model for the Romanian Economy“, Journal of Accounting and Management, nr.2, vol.6, 2016, ISSN 2284-9459, pp.41-75
Ris 21. Collins C. Ngwakwe, “Measuring the Interdependence between Economic Growth and Human Development in South Africa”, Euroeconomica, Vol.39, Nr.2, 2020 for the paper “A New Approach to Utility Function“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, 2015, ISSN 2065-0175, pp.193-222
Ris 22. Sipho K. Mokoena, Mamoloko Rachidi, Collins C. Ngwakwe, “The Nexus between Public Expenditure and Economic Growth”, Euroeconomica, Vol.39, Nr.2, 2020 for the paper “Analysis of the Main Economic Indicators of the World”, Acta Universitatis Danubius. Oeconomica, Nr.2, Vol.14, ISSN:2065-0175, pp.195-461
Ris 23. Sipho K. Mokoena, Mamoloko Rachidi, Collins C. Ngwakwe, “The Nexus between Public Expenditure and Economic Growth”, Euroeconomica, Vol.39, Nr.2, 2020 for the paper “An Equilibrium Model with Applications for some of the North and Central American Countries”, Acta Universitatis Danubius. Oeconomica, Nr.7, Vol.15, ISSN:2065-0175, pp.330-439
Ris 24. Aning Kesuma Putri, Ayu Wulandari, “Factors Influencing The Income Of Fishermen”, Integrated journal of business and economics, Vol.4, Nr.2, 2020 for the paper “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
http://ojs.ijbe-research.com/index.php/IJBE/article/view/298
Ris 25. Nicolo Cangiotti, Mattia Sensi, “A geometric characterization of VES and Kadiyala-type production functions”, arXiv:2004.09617v1 [econ.TH] 20 Apr 2020, pp.1-16, April, 2020 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 26. Баранов С.В., Скуфьина Т.П., Гущина И.А., “Влияние повышения пенсионного возраста на экономику и настроения населения Мурманской области”, Экономические и социальные перемены: факты, тенденции, прогноз, Vol.13, Nr.1, 2020, pp. 160-173, DOI: 10.15838/esc.2020.1.67.9 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 27. Collins C. Ngwakwe, “Analysis of the Differential Effect of Brexit on the FTSE Stock and Money Market Performance”, Acta Universitatis Danubius, Oeconomica, Vol. 16, Nr.1, 2020 for the paper “The Relationship between Spatial Interdependencies in the European Union and the Trade-I”, Acta Universitatis Danubius, Oeconomica, nr.6, vol.12, ISSN 2065-0175, pp.5 – 118
Ris 28. Gaspars-Wieloch Helena, “SPARE PARTS QUANTITY PROBLEM UNDER UNCERTAINTY – THE CASE OF ENTIRELY NEW DEVICES WITH SHORT LIFE CYCLE, M U LT I P L E C R I T E R I A D E C I S I O N M A K I N G, 2019, Vol. 14, pp. 5-28, DOI: 10.22367/mcdm.2019.14.01 for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://cejsh.icm.edu.pl/cejsh/element/bwmeta1.element.cejsh-02008aa6-8b7f-4a18-9da1-5bdaf95f3023
Ris 29. Khatskevich G. A., Pranevich F., “TWO-FACTOR PRODUCTIONS FUNCTIONS WITH GIVEN TOTAL ELASTICITY OF PRODUCTION”, Тенденции экономического развития XXI века, Секция 2. Аналитическая экономика и прогнозирование, December, 2019 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 30. Paly Muhammad Basir, ” COMMERCIAL SMALLHOLDER LAYING HENS: PRODUCTION EFFICIENCY AND INTENSITY OF INPUT USE ACCORDING TO PRODUCTION PHASE IN SOUTH SULAWESI, INDONESIA”, RJOAS, Vol.5, Nr. 89, pp. 209-216 for the paper “The Complete Theory of Cobb-Douglas Production Function“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11, 2015, ISSN 2065-0175, pp.74-114
Ris 31. Ade Nur Rohim, “Maximizing Utility And Distributing Income Equitably: How does Zakah Impact Both of Them at Once?”, Islamic Economics Journal, Vol.4, Nr.2, pp. 155-180, 2018 for the paper “A New Approach to Utility Function“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, 2015, ISSN 2065-0175, pp.193-222
Ris 32. Pușcă Corneliu Andy, Pîrju Ionel Sergiu, “Redefining the management of performance orientation in the romanian higher educational system”, INTERNATIONAL CONFERENCE ON INNOVATIONS IN SCIENCE AND EDUCATION, PRAGUE, pp.1-7, 2019 for the paper “Global Education Level Analysis – Part three”, Acta Universitatis Danubius, Oeconomica, nr.7, vol.14, ISSN 2065-0175, pp.272-427
https://ojs.journals.cz/index.php/CBUIC/article/view/1371/1900
Ris 33. O. Yankovyi, Yu. Goncharov, V. Koval, T. Lositska, “Optimization of the capital-labor ratio on the basis of production functions in the economic model of production”, Scientific Bulletin of National Mining University, Nr. 4, pp.134-140, 2019 for the paper “The Complete Theory of Generalized CES Production Function“, Journal of Accounting and Management, nr.2, vol.5, ISSN: 2284 – 9459, pp.15-37
Ris 34. Guennadi Khatskevich, Andrei Pranevich, Yury Karaleu, “Analytical Forms of Productions Functions with Given Total Elasticity of Production”, Information Systems Architecture and Technology: Proceedings of 40th Anniversary International Conference on Information Systems Architecture and Technology – ISAT 2019, DOI: 10.1007/978-3-030-30443-0_25, January, 2020 for the paper “A generalization of a class of production functions”, Applied economics letters, Warwick University, Coventry, UK, ISSN 0003-6846, Volume 18, Issue 18, December 2011, pages 1777-1784
Ris 35. Dae Ho Jin, “Non-existence of totally geodesic screen distributions on lightlike hypersurfaces of indefinite kenmotsu manifolds”, Communications of the Korean Mathematical Society 28(2), 2013, DOI: 10.4134/CKMS.2013.28.2.353 for the paper “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp. 18-30, 1997
Ris 36. Bouchaib Assila, Abdellatif Kobbane, Mohammed El Koutbi, “A Cournot Economic Pricing Model for Caching Resource Management in 5G Wireless Networks”, Conference: 2018 14th International Wireless Communications & Mobile Computing Conference (IWCMC), June 2018, DOI: 10.1109/IWCMC.2018.8450538 for the paper “The Cournot Equilibrium for n Firms”, International conference “European Integration – Realities and Perspectives” 2015, Galati, Proceedings, pp.364-374
Ris 37. Gabriel-Eduard Vîlcu, “On a generalization of a class of production functions”, Applied Economics Letters, Nr.2, Vol.25, pp.106-110, 2016, Martie, 2017, DOI: 10.1080/13504851.2017.1299097 for the paper “A generalization of a class of production functions”, Appl. Econ. Lett. 18 (2011), 1777-1784 - Impact factor of the journal where it is cited – 0,504
https://www.tandfonline.com/doi/full/10.1080/13504851.2017.1299097
Ris 38. Cipriani Nastassja, “Spacelike submanifolds, their umbilical properties and applications to gravitational physics”, Department of Theoretical Physics and History of Science - University of the Basque Country, 2017, pp.1-168 for the paper “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, nr.1, vol.58, pp.18-30, 1997
Ris 39. Gaspars-Wieloch Helena, “Project Net Present Value estimation under uncertainty”, Central European Journal of Operations Research, 2017, pp.1-19, https://doi.org/10.1007/s10100-017-0500-0 for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011 – Impact factor of the citation journal – 0,978
https://link.springer.com/article/10.1007/s10100-017-0500-0
Ris 40. Bouchaib Assila, Abdellatif Kobbane, Mouna Elmachkour, Mohammed El Koutbi, “A dynamic stackelberg-cournot game for competitive content caching in 5G networks”, Conference: 2017 International Conference on Wireless Networks and Mobile Communications (WINCOM), 2017, November, DOI: 10.1109/WINCOM.2017.8238184 for the paper “The Cournot Equilibrium for n Firms”, The International Conference “European Integration - Realities and Perspectives” 2015, Galati, Proceedings, pp.364-374
Ris 41. Dobbins Michael, “Exploring higher education governance in Poland and Romania: Re-convergence after divergence?”, European Educational Research Journal, 2017, June, SAGE Publishing, http://dx.doi.org/10.1177/1474904116684138 for the paper “Evolution and Consequences of Economic Crisis in Romania“, Euroeconomica nr.2 (34), ISSN 1582-8859, pp.161-189, 2015
http://journals.sagepub.com/doi/abs/10.1177/1474904116684138
Ris 42. Bugas D., “Modelling the expert’s preferences in decision-making under complete uncertainty”, Eastern European Journal of Enterprise Technologies, Vol.5, Nr.4 (83), pp.12-17, ISSN: 1729-3774, 2016, DOI 10.15587/1729-4061.2016.81308 for the paper “A New Approach to Utility Function“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.11, 2015, ISSN 2065-0175, pp.193-222 – Impact factor of the citation journal – 0,150
http://journals.uran.ua/eejet/article/view/81306
Ris 43. Gaspars-Wieloch Helena, „Newsvendor problem under complete uncertainty: a case of innovative products”, Central European Journal of Operations Research, pp.1-25 (2016), DOI 10.1007/s10100-016-0458-3 for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011 – Impact factor of the citation journal – 0,978
http://link.springer.com/article/10.1007/s10100-016-0458-3
Ris 44. Alina-Daniela Vîlcu, Gabriel-Eduard Vîlcu, “A survey on the geometry of production models in economics”, Arab Journal of Mathematical Sciences, Nr.2, Vol.22, ISSN:1319-5166, pp.1-14, 2016, http://www.sciencedirect.com/science/article/pii/S1319516616300251 for the paper: “Applications of the space differential geometry at the study of production functions”, Euroeconomica, Nr.18, 2007
http://www.sciencedirect.com/science/article/pii/S1319516616300251
Ris 45. Alina-Daniela Vîlcu, Gabriel-Eduard Vîlcu, “A survey on the geometry of production models in economics”, Arab Journal of Mathematical Sciences, Nr.1, Vol.23, ISSN:1319-5166, pp.18-31, 2017, http://dx.doi.org/10.1016/j.ajmsc.2016.08.003 for the paper: “Applications of the space differential geometry at the study of production functions”, Euroeconomica, Nr.18, 2007
http://www.sciencedirect.com/science/article/pii/S1319516616300251
Ris 46. Gaspars-Wieloch Helena, „O regule decyzyjnej wspierającej wielokryterialne poszukiwanie optymalnej strategii czystej w warunkach niepewności”, Studia Ekonomiczne. Zeszyty Naukowe, Uniwersytetu Ekonomicznego w Katowicach, nr.248, pp.42-61 (2015) for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://cejsh.icm.edu.pl/cejsh/element/bwmeta1.element.cejsh-0b098736-2114-4b01-9857-43dd5bccf990
Ris 47. Gaspars-Wieloch Helena, „On securities portfolio optimization, preferences, payoff matrix estimation and uncertain mixed decision making”, Contemporaty issues in business, management and education, VGTU Press, 11pp. (2015) for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://old.konferencijos.vgtu.lt/cbme.vgtu.lt/public_html/index.php/cbme/cbme_2015/paper/view/702/89
Ris 48. Gaspars-Wieloch Helena, „ON TWO APPLICATIONS OF THE OMEGA RATIO: MAXΩMIN AND OMEGA(H+B)”, Research Papers of the Wroclaw University of Economics / Prace Naukowe Uniwersytetu Ekonomicznego we Wroclawiu, Issue 446, pp. 21-36 (2016) for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.ekon-element-000171447172
Ris 49. Gaspars-Wieloch Helena, „A decision rule for uncertain multicriteria mixed decision making based on the coefficient of optimism”, MULTIPLE CRITERIA DECISION MAKING, vol.10, 2015, for the paper “A method of choice of the best alternative in the multiple solutions case in the Games Theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
https://pbn.nauka.gov.pl/polindex-webapp/browse/article/article-80a01dce-ed81-4118-a27f-e1fb4ba91a99
Ris 50. M. E. Aydin, Mihai A., „Classification of Quasi-Sum Production Functions with Allen Determinants”, Faculty of Sciences and Mathematics University of Niˇs, Serbia, Filomat 29:6 (2015), 1351–1359 , DOI 10.2298/FIL1506351A for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
http://journal.pmf.ni.ac.rs/filomat/index.php/filomat/article/view/696
Ris 51. M. E. Aydin, Mihai A., „Translation hypersurfaces and Tzitzeica translation hypersurfaces of the euclidean space”, Proceedings of the Romanian Academy, Series A, Volume 16, Number 4/2015, pp. 477–483 for the paper “The Reduction of Quadratic Forms to the Normal Form with Applications for Production Functions”, Acta Universitatis Danubius. Economica 9(2) (2013), 120-152
Ris 52. M. E. Aydin, M. Ergut, „A classification of homothetical hypersurfaces in Euclidean spaces via Allen determinants and its applications”, Applied Sciences, Volume 17 (2015), Pages 1-8 for the paper “The Reduction of Quadratic Forms to the Normal Form with Applications for Production Functions”, Acta Universitatis Danubius. Economica 9(2) (2013), 120-152
www.mathem.pub.ro/apps/v17/A17-ay-955.pdf
Ris 53. M. E. Aydin, Mihai A., „On Quasi-Sum Production Functions”, Proceedings of the Conference RIGA 2014 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
https://www.researchgate.net/publication/273450317_On_quasi-sum_production_functions
Ris 54. M. E. Aydin, M. Ergut, „Homothetic functions with Allen's perspective and its geometric applications”, Kragujevac Journal of Mathematics, Volume 38(1) (2014), Pages 185-194 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007 – Impact factor of the citation journal – 0,344
Ris 55. M. E. Aydin, M. Ergut, „Hessian determinants of composite functions with applications for production functions in economics”, Kragujevac Journal of Mathematics, Volume 38(2) (2014), Pages 259-268 for the paper “The Reduction of Quadratic Forms to the Normal Form with Applications for Production Functions”, Acta Universitatis Danubius. Economica 9(2) (2013), 120-152 – Impact factor of the citation journal – 0,344
Ris 56. A.D. Vîlcu, G.E. Vîlcu, “Some characterizations of the quasi-sum production models with proportional marginal rate of substitution”, Comptes Rendus Mathematique, Volume 353, Issue 12, December 2015, Pages 1129–1133, for the paper “A generalization of a class of production functions”, Appl. Econ. Lett. 18 (2011), 1777-1784 - Impact factor of the citation journal – 0,446
http://www.sciencedirect.com/science/article/pii/S1631073X15002459
Ris 57. G. Gemelli, “The Mathematical Theory of Gravitational Discontinuity Hypersurfaces”, General Relativity and Gravitation, 2002, Springer for the paper “Degenerate submanifolds of Semi-Riemannian manifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp.1-7, 1997 – Impact factor of the citation journal – 1,902
Ris 58. G. Gemelli, “Observer-dependent Gauss-Codazzi formalism for null hypersurfaces in the space-time”, Journal of Geometry and Physics, 2002, Elsevier for the paper “Degenerate submanifolds of Semi-Riemannian manifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp.1-7, 1997 – Impact factor of the citation journal – 0,911
http://www.sciencedirect.com/science/article/pii/S0393044002000256
Ris 59. E. Yasar, A.C. Coken, A. Yucesan, “Totally umbilical lightlike hypersurfaces in semi-riemannian manifold with semi-symmetric metric connection”, International Journal of Pure and Applied Mathematics, vol.23, No.3, 2005, pp.379-390 for the paper “Totally Umbilical Lightlike Submanifolds”, Tensor N.S., Japan, vol. 58, ISSN 0040-3504, pp. 18-30, 1997 – Impact factor of the citation journal – 2,29
www.mscand.dk/article/viewFile/15061/13056
Ris 60. A.D. Vîlcu, G.E. Vîlcu, “On some geometric properties of the generalized CES production functions”, Applied Mathematics and Computation, Volume 218, Issue 1, 1 September 2011, Pages 124–129 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007 – Impact factor of the citation journal – 1,454
http://www.sciencedirect.com/science/article/pii/S0096300311007314
Ris 61. G.E. Vîlcu, “A geometric perspective on the generalized Cobb–Douglas production functions”, Applied Mathematics Letters, Volume 24, Issue 5, May 2011, Pages 777–783, for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007 – Impact factor of the citation journal – 1,349
http://www.sciencedirect.com/science/article/pii/S0893965910004994
Ris 62. A.D. Vîlcu, G.E. Vîlcu, “On homogeneous production functions with proportional marginal rate of substitution”, Mathematical Problems in Engineering, 2013, for the paper “A generalization of a class of production functions”, Appl. Econ. Lett. 18 (2011), 1777-1784 – Impact factor of the citation journal – 1,383
https://www.hindawi.com/journals/mpe/2013/732643/
Ris 63. M. E. Aydin, M. Ergut, „Composite functions with allen determinants and their applications to production models in economics, TAMKANG JOURNAL OF MATHEMATICS, Volume 45(4) (2014), Pages 427-435 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
http://journals.math.tku.edu.tw/index.php/TKJM/article/view/1569
Ris 64. M. Nagy, J. Miranda, “Computer Application for Interactive Teaching of Decision Making Methods”, 3rd World Conference on Information Technology (WCIT-2012), Vol.03, 2013, pp. 1584-1589 for the paper “A method of choice of the importance coefficients in the Electre method“,Journal of Accounting and Management, nr.2, vol.1, ISSN: 2284 – 9459, pp.5-11, 2011
Ris 65. V. Diaby, D. Goeree, „How to use multi-criteria decision analysis methods for reimbursement decision-making in healthcare: a step-by-step guide”, Expert Review of Pharmacoeconomics & Outcomes Research, December 13, 2013 for the paper “A method of choice of the best alternative in the multiple solutions case in the Games Theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011 – Impact factor of the citation journal – 1,674
https://www.ncbi.nlm.nih.gov/pubmed/24328890
Ris 66. Jacek Jagodzinski, “The extended Hurwicz criterion for decision making in logistic applications”, The Wroclaw School of Banking Research Journal, No.1 (39), pp.25-43, 2014 for the paper “A method of choice of the best alternative in the multiple solutions case in the Games Theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
http://bazekon.icm.edu.pl/bazekon/element/bwmeta1.element.ekon-element-000171295179
Ris 67. Jacek Jagodzinski, “The extended Hurwicz criterion for decision making in logistic applications”, The Wroclaw School of Banking Research Journal, No.1 (39), pp.25-43, 2014 for the paper “New methods in mathematical management of organization”, Acta Universitatis Danubius, Oeconomica, nr.1, ISSN 2065-0175, pp.25-64, 2008
http://bazekon.icm.edu.pl/bazekon/element/bwmeta1.element.ekon-element-000171295179
Ris 68. Gaspars-Wieloch Helena, „On a decision rule supported by a forecasting stage based on the decision maker’s coefficient of optimism”, Central European Journal of Operations Research, 10.1007/s10100-014-0364-5 for the paper “A method of choice of the best alternative in the multiple solutions case in the Games Theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011 – Impact factor of the citation journal – 0,787
Ris 69. Alpopi Cristina, „ Efectele aglomerarii urbane asupra mediului înconjurator”, Economia, seria Management, Vol.11, Nr.2, 2008 pentru lucrarea “Urbanism și amenajarea teritoriului“, Zigotto Publishing House, Galati, ISBN 978-973-1724-05-8, 2006
Ris 70. Rukiye AKTAG, “COBB-DOUGLAS VE ACMS ÜRETĠM HĠPERYÜZEYLERĠ”, T.C FIRAT ÜNĠVERSĠTESĠ FEN BĠLĠMLERĠ ENSTĠTÜSÜ, 2016 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
https://openaccess.firat.edu.tr/xmlui/bitstream/handle/11508/17903/432858.pdf?sequence=1
Ris 71. Muhittin Evren AYDIN, “EKONOMİK ALANLARDA DİFERANSİYEL GEOMETRİNİN UYGULAMALARI”, T.C FIRAT ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ, 2014 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
https://openaccess.firat.edu.tr/xmlui/bitstream/handle/11508/20702/373803.pdf?sequence=1
Ris 72. Emrah Yilmaza, Muhittin Evren Aydina, Tuba Gulsena, “A Certain Class of Surfaces on Product Time Scales with Interpretations from Economics”, Filomat, 2018 for the paper “Applications of the space differential geometry at the study of production functions“, Euroeconomica nr.18, ISSN 1582-8859, pp.30-38, 2007
Ris 73. Gaspars-Wieloch Helena, “The Impact of the Structure of the Payoff Matrix on the Final Decision made Under Uncertainty”, Asia-Pacific Journal of Operational Research, Vol.35, Nr.1, 2018, pp.1-27, https://doi.org/10.1142/S021759591850001X, for the paper “A method of choice of the best alternative in the multiple solutions case in the games theory“,Journal of Accounting and Management, nr.1, vol.1, pp.5-8, 2011
https://www.worldscientific.com/doi/pdf/10.1142/S021759591850001X
Ris 74. A.D. Vîlcu, G.E. Vîlcu, “On Quasi-Homogeneous Production Functions”, Mathematical Problems in Symmetry, Vol.8, Nr.11, https://doi.org/10.3390/sym11080976, pp.1-11, 2019, for the paper “A generalization of a class of production functions”, Appl. Econ. Lett. 18 (2011), 1777-1784
https://www.mdpi.com/2073-8994/11/8/976
Ris 75. Guennadi A. Khatskevich, Andrei F. Pranevich, “ Production functions with given elasticities of output and production”, Journal of the Belarusian State University. Economics, pp.13-21, 2018, for the paper “A generalization of a class of production functions”, Appl. Econ. Lett. 18 (2011), 1777-1784
https://journals.bsu.by/index.php/economy/article/view/750
Ris 76. Aramide Oloidi, “Cyber-security Challenges in Financial Institutions in Nigeria: A Multiple Case Study”, School of Business Administration and Technology Management, 2019 for the paper “The Cournot Equilibrium for n Firms”, The International Conference “European Integration – Realities and Perspectives” 2015, Galati, Proceedings, pp.364-374
Ris 77. Teka Araya Mebrahtu, Sung-Kyu Lee, ” The impact of agricultural package programs on farm productivity in Tigray-Ethiopia: Panel data estimation”, Cogent Economics & Finance, pp.1-28, 2019 for the paper “Generalized Cobb-Douglas function for three inputs and linear elasticity“, Journal of Accounting and Management, nr.2, vol.4, ISSN: 2284 – 9459, pp.17-22
Ris 78. Alex da Silva Alves, Jose Antonio Pimenta-Bueno, „Quantifying the Capital Requirements of Start-Ups in Early Growth Phase: Exploratory Evidence from a Seed Capital Fund in Brazil”, The Journal of Private Equity, Vol.21, Nr.3, 2018, for the paper “Generalized Cobb-Douglas function for three inputs and linear elasticity“, Journal of Accounting and Management, nr.2, vol.4, ISSN: 2284 – 9459, pp.17-22
https://jpe.pm-research.com/content/21/3/26.abstract
Ris 79. Farhadian, Reza, „On a New Inequality Related to Consecutive Primes”, Acta Universitatis Danubius: Oeconomica . 2017, Vol. 13 Issue 5, p237-243 for the paper “About Andrica’s conjecture“, Acta Universitatis Danubius, Oeconomica, nr.1, vol.11,2015, ISSN 2065-0175, pp.149-153
Ris 80. G. F. Shafranov-Kutsev, L. V. Gulyayeva, „Career Self-Guidance as a Key Factor in the Development of High School Students’ Competitive Ability and Orientedness”, INTEGRATION OF EDUCATION, Vol.23, Nr.1, pp. 101-153, 2019 petru articolul “Education and Research Institutions. The Professional Orientation Analysis of High School Students“, Acta Universitatis Danubius, Oeconomica, nr.2, vol.10, ISSN 2065-0175, pp.265-275, 2014
http://elar.urfu.ru/bitstream/10995/73937/1/10.15507-1991-9468.090.022.201801.077-090.pdf#page=101
Ris 81. L Davcev, N Hourvouliades, J Komic, „Impact of interest rate and inflation on GDP in Bulgaria, Romania and FYROM”, Journal of Balkan and Near Eastern Studies, Vol.20, Nr.2, pp.131-147, 2017, https://doi.org/10.1080/19448953.2018.1379746 for the paper “An analysis on the net export dependence relative to GDP and the consumer demand for Romania during 2001-2011“, Euroeconomica nr.4 (31), ISSN 1582-8859, pp.98-105, 2012
https://www.tandfonline.com/doi/abs/10.1080/19448953.2018.1379746
Ris 82. Dan Cui, Xiang Wei, Dianting Wu, Nana Cui, Peter Nijkamp, „Leisure time and labor productivity: a new economic view rooted from sociological perspective”, Economics E-Journal, Vo.13, Nr.36, pp.1-24, DOI: 10.5018/economics-ejournal.ja.2019-36, 2019 for the paper “A Mathematical Model of Working Time and Leisure“, Euroeconomica nr.2 (35), ISSN 1582-8859, pp.41-47, 2016
https://www.econstor.eu/handle/10419/200391
Ris 83. Kensuke Ohtake, Atsushi Yagi, “ASYMPTOTIC BEHAVIOR OF SOLUTIONS TO RACETRACK MODEL IN SPATIAL ECONOMY”, Scientiae Mathematicae Japonicae, Vol.81, Nr.1, https://doi.org/10.32219/isms.81.1_65, pp. 65-95, 2018 for the paper “The Complete Solution of the Core-Periphery Model for two Regions Using Successive Approximations“,Acta Universitatis Danubius, Oeconomica, nr.1, vol.8, ISSN 2065-0175, pp.95-106, 2012
https://www.jstage.jst.go.jp/article/isms/81/1/81_65/_article/-char/ja/
Ris 84. Novikov Petr Andreevich, Valiev Radik Rifatovich, „Hidden Markov models and neural networks in formation of investment portfolio”, Ucenie Zapiski Kazanskogo Universiteta. Seria Fiziko-matematiceskie Nauki, ISSN 2541-7746, Vol.160, Nr.2, pp.357-363, 2018 for the paper “Analysis of the Evolution of the Gross Domestic Product by Means of Cyclic Regressions“,Acta Universitatis Danubius, Oeconomica, nr.4, vol.7, ISSN 2065-0175, pp.118-130, 2011
b) in other national journals (Rno)
Rno 1. Ioan Catalin Angelo, “Degenerate foliations in semi-riemannian manifolds”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.14-53, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/4XIghey6sU.pdf
Rno 2. Ioan Catalin Angelo, “Degenerate foliations in Sasakian semi-riemannian manifolds”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.53-60, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/Evc4X7675l.pdf
Rno 3. Ioan Catalin Angelo, “Generalized contact structures”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp. 60-68, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/mL9msK56y0.pdf
Rno 4. Ioan Catalin Angelo, “Almost Hermitian manifolds with J–invariant sectional curvature”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.68-72, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/OoL16sdl3E.pdf
Rno 5. Ioan Catalin Angelo, “Cuasi-Sasaki manifolds”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.72-79, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/R1rM7XZwlL.pdf
Rno 6. Ioan Catalin Angelo, “A general type of almost contact manifolds”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.79-86, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/jwL0j19zbd.pdf
Rno 7. Ioan Catalin Angelo, “A condition for a Sasakian manifold to be of constant curvature”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp. 86-90, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/hmuvxplY5q.pdf
Rno 8. Ioan Catalin Angelo, “A model of confrontation of some companies on the market”, Euroeconomica, Nr.14, ISSN 1582-8859, pp.68-71, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/tyMB5cbHWc.pdf
Rno 9. Ioan Catalin Angelo, “On some equations that can be solved by radicals”, Euroeconomica, Nr.14, ISSN 1582-8859, pp.71-72, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/3C5i6hWBd7.pdf
Rno 10. Ioan Catalin Angelo, “On the positivity of the roots of real polynomials”, Euroeconomica, Nr.14, ISSN 1582-8859, pp.72-73, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/5u416E6Yzx.pdf
Rno 11. Ioan Catalin Angelo, “Approximation of polynomial functions through continuous fractions”, Euroeconomica, Nr.14, ISSN 1582-8859, pp.73-75, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/xqnCC9y1pw.pdf
Rno 12. Ioan Catalin Angelo, “Strings with non-homogeneous linear recurrence”, Euroeconomica, Nr.13, ISSN 1582-8859, pp.68-71, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/izJav39vvj.pdf
Rno 13. Ioan Catalin Angelo, “Extrinsic spheres in a cosymplectic manifold”, Euroeconomica, Nr.13, ISSN 1582-8859, pp.71-73, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/KMuZIK7X2g.pdf
Rno 14. Ioan Catalin Angelo, “On some groups”, Euroeconomica, Nr.13, ISSN 1582-8859, pp.73-76, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/2oi47t60Lz.pdf
Rno 15. Ioan Catalin Angelo, “A generalization of the problem of Euler's circle”, Euroeconomica, Nr.13, ISSN 1582-8859, pp.76-78, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/7W3wmhg6OP.pdf
Rno 16. Ioan Catalin Angelo, “Babylonian Mathematics”, Euroeconomica, Nr.12, ISSN 1582-8859, pp.53-57, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/53vmRblZ94.pdf
Rno 17. Ioan Catalin Angelo, “Curves poetry”, Danubius Universitas, Year III, nr.9, ISSN 1583-4832, pp.33-36, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AH29HIBnPh.pdf
Rno 18. Ioan Catalin Angelo, “Great French mathematicians of the 17th and 18th centuries”, Danubius Universitas, Year III, nr.8, ISSN 1583-4832, pp.10-13, 2005
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/zCs6w54r31.pdf
Rno 19. Ioan Catalin Angelo, “Applications of geometry in the study of production functions”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.27-39, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/Pa0e2Qd5bx.pdf
Rno 20. Ioan Catalin Angelo, “The Bernoulli family - a century and a half history of mathematics”, EuroEconomica, Nr.11, ISSN 1582-8859, pp.156-159, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/kVgSy6Y351.pdf
Rno 21. Ioan Catalin Angelo, “Niels Henrik Abel and Evariste Galois - unfortunate destinies that marked the history of algebra”, EuroEconomica, Nr.11, ISSN 1582-8859, pp.154-156, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/wc0u03h4m1.pdf
Rno 22. Ioan Catalin Angelo, “Trends to relaunch the Romanian tourism in the perspective of integration into the European Union - I”, EuroEconomica, Nr.11, ISSN 1582-8859, pp.159-161, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/m8TS2Vnv9j.pdf
Rno 23. Ioan Catalin Angelo, “Analysis of Romanian education relative to the census data of March 18, 2002”, EuroEconomica, Nr.10, ISSN 1582-8859, pp.42-43, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/1P76YgT4b8.pdf
Rno 24. Ioan Catalin Angelo, “Aspects of Romania's international tourism”, EuroEconomica, Nr.9, ISSN 1582-8859, pp.56-59, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/Pn65lAPSQQ.pdf
Rno 25. Ioan Catalin Angelo, “Prime Number Theory - Art and Science I”, EuroEconomica, Nr.9, ISSN 1582-8859, pp.59-63, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/S1oIx955LP.pdf
Rno 26. Ioan Catalin Angelo, “The story of the number”, Danubius Universitas, Year II, nr.7, ISSN 1583-4832, pp.7-8, 2004
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/4D1yVQg0N1.pdf
Rno 27. Ioan Catalin Angelo, “Interpretation of the 2nd order polynomial regressions according to the fundamental statistical indicators”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.24-28, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/XUP6464WQ7.pdf
Rno 28. Ioan Catalin Angelo, “Analysis of economic texts from a lexical point of view”, EuroEconomica, Nr.8, ISSN 1582-8859, pp.18-23, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/08cLC26MbR.pdf
Rno 29. Ioan Catalin Angelo, “On continuous fractions”, EuroEconomica, Nr.8, ISSN 1582-8859, pp.23-28, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/d2nTxZ106o.pdf
Rno 30. Ioan Catalin Angelo, “Determination of fundamental statistical indicators according to interpolated values”, EuroEconomica, Nr.7, ISSN 1582-8859, pp.22-25, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/heli21678Q.pdf
Rno 31. Ioan Catalin Angelo, “Applications of vector spaces in enterprise organization”, EuroEconomica, Nr.7, ISSN 1582-8859, pp.26-28, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/3Ki4T4JpGj.pdf
Rno 32. Ioan Catalin Angelo, “Life and work of Leonhard Euler”, EuroEconomica, Nr.6, ISSN 1582-8859, pp.29-31, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/6v8Qod8Z79.pdf
Rno 33. Ioan Catalin Angelo, “Coefficients of correlation in tourism activity”, EuroEconomica, Nr.5, ISSN 1582-8859, pp.51-53, 2003
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/daj04nbv57.pdf
Rno 34. Ioan Catalin Angelo, “On Riemann's function”, EuroEconomica, Nr.4, ISSN 1582-8859, pp.40-42, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/0uaXLGa7x4.pdf
Rno 35. Ioan Catalin Angelo, “Study of errors related to solving linear systems of equations”, EuroEconomica, Nr.3, ISSN 1582-8859, pp.34-36, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/6bJ7gC83qr.pdf
Rno 36. Ioan Catalin Angelo, “Models of autoregression of the piezometric levels applied for the Braila Plain”, EuroEconomica, Nr.3, ISSN 1582-8859, pp.68-70, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/Met3dhD77i.pdf
Rno 37. Ioan Catalin Angelo, “Interpolation patterns of the piezometric levels applied for the Braila Plain”, EuroEconomica, Nr.3, ISSN 1582-8859, pp.36-37, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/8cS1Bo3t2l.pdf
Rno 38. Ioan Catalin Angelo, “Geometric aspects of the Allen production function”, EuroEconomica, Nr.2, ISSN 1582-8859, pp.9-11, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/M9dByqqAUH.pdf
Rno 39. Ioan Catalin Angelo, “Spatial geometric aspects of the Allen production function”, EuroEconomica, Nr.2, ISSN 1582-8859, pp.12-14, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/AH6Yam8h91.pdf
Rno 40. Ioan Catalin Angelo, “Models of interdependence of the elements of the groundwater circulation applied to the Braila Plain”, EuroEconomica, Nr.2, ISSN 1582-8859, pp.47-51, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/O3syzO4C4D.pdf
Rno 41. Ioan Catalin Angelo, “Mensualities”, EuroEconomica, Nr.1, ISSN 1582-8859, pp.12-14, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/x5hOKIEXd2.pdf
Rno 42. Ioan Catalin Angelo, “An axiomatic treatment of trigonometric and hyperbolic functions”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.24-28, 2002
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/KC3CG8k3PW.pdf
Rno 43. Ioan Catalin Angelo, “Succession of two machines without initial release periods”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.27-30, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/iWaZGN3FYP.pdf
Rno 44. Ioan Catalin Angelo, “Grouping and placement of machinery in production facilities”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.31-33, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/3Eo0O181JH.pdf
Rno 45. Ioan Catalin Angelo, “Urbanization and landscaping in Romania”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.35-39, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/h4O1slupVN.pdf
Rno 46. Ioan Catalin Angelo, “Determining the minimum path in the Bellman-Kalaba algorithm”, The Annals of “Danubius” University, Fascicle I, Economics, ISBN 973-85587-8-6, pp.89-91, 2001
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/KjAHjCoe3V.pdf
Rno 47. Ioan Catalin Angelo, “Optimal allocation of employees for work within the firm”, Analele Universităţii Danubius Galati, 2000
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/jJ74yYuAS5.pdf
Rno 48. Ioan Catalin Angelo, “Determination of minimum length roads between two points”, Analele Universităţii Danubius Galati, 1999
http://evidentacercetare.univ-danubius.ro/Surse/Set_001/Mu121vI677.pdf
Rno 49. Ioan Catalin Angelo, “Mathematicians and time”, Journal of Mathematics, nr.4, 1992
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/j45j1cdGk1.pdf
Rno 50. Ioan Catalin Angelo, “Problems for high school” – 21316 – G.M.11-12/1987, pp.473, 21575* - G.M.10/1988, pp.414, 21957* - G.M.11-12/1989, pp.467, 22292* - G.M.2/1991, pp.74, 22345 - G.M.4/1991, pp.156, 22364 - G.M.5/1991, pp.191,22292* - G.M.9/1991, pp.346-347 (solution of the author), 22537 - G.M.11-12/1991, pp.441, Mathematical Gazette, Series B, București
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/2097LV4y2R.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/i0IBq1BM32.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/18iSsBtSOy.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/GW8xN8n9Oi.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AxfCux1aI9.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AxfCux1aI9.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AxfCux1aI9.pdf
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/0zG8JSTS4F.pdf
Rno 51. Ioan Catalin Angelo, “Problems for high school” – L49 – Mathematical Magazine in Timisoara, II (XXII), 1/1991, pp.42
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AxfCux1aI9.pdf
Rno 52. Ioan Catalin Angelo, “Problems for gymnasium” – 10275 – G.M.7/1991, pp.264, Mathematical Gazette, Series B, București
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/4853SNpCd0.pdf
Rno 53. Ioan Catalin Angelo, “Computer problems” – I:36 – Mathematics for students (7), Galati, 1989, pp.127
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/AxfCux1aI9.pdf
Rno 54. Ioan Catalin Angelo, “Problems for juniors”, Romanian Mathematical Magazine, ISSN:2501-0099, pp.1-1, 2016
http://www.ssmrmh.ro/2016/09/01/romanian-mathematical-magazine-autumn-2016
40 Articles, studies published in volumes of scientific events:
a) internationally recognized (with ISSN or ISBN) in the country and abroad (Vi) and b) national (Vn)
Vn 1. Ioan Cătălin Angelo, “Behavior of Production Factors when Changing their Price for a Cobb-Douglas Production Function”, The International Conference “European Integration – Realities and Perspectives” 2021, Galati, Proceedings, pp. 72-74
https://dp.univ-danubius.ro/index.php/EIRP/article/view/156/160
Vn 2. Ioan Cătălin Angelo, Ioan Gina, “The Determination of a Company Production under the Conditions of Minimizing the Production Costs, but Also Profit Maximization”, The International Conference “European Integration – Realities and Perspectives” 2020, Galati, Proceedings, pp.132-136
http://www.proceedings.univ-danubius.ro/index.php/eirp/article/view/2010/2065
Vn 3. Ioan Cătălin Angelo, “The Analyze of the Link Between Minimizing Production Costs and Maximizing Profits”, The International Conference “European Integration – Realities and Perspectives” 2019, Galati, Proceedings
http://www.conferences.univ-danubius.ro/index.php/EIRP/EIRP2019/paper/view/2028
Vn 4. Ioan Catalin Angelo, “About utility” , The International Conference “European Integration - Realities and Perspectives” 2017, Galati, Proceedings, pp.242-245
http://proceedings.univ-danubius.ro/index.php/eirp/article/view/1798/1890
Vn 5. Ioan Catalin Angelo, Ioan Gina, “An Alternative to the Electre Method”, The International Conference “European Integration – Realities and Perspectives” 2018, Galati, Proceedings, pp.119-126
http://proceedings.univ-danubius.ro/index.php/eirp/article/view/1880/1941
Vn 6. Ioan Catalin Angelo, Ioan Gina, “An Analysis of the Production Leader in the Stackelberg Model”, The International Conference “European Integration – Realities and Perspectives” 2018, Galati, Proceedings, pp.113-118
http://proceedings.univ-danubius.ro/index.php/eirp/article/view/1879/1940
Vn 7. Ioan Catalin Angelo, “Analysis Of The Evolution Of Statistics In Romania” , The International Conference “European Integration - Realities and Perspectives” 2016, Galati, Proceedings, pp.386-393
http://www.proceedings.univ-danubius.ro/index.php/eirp/article/view/1705/1772
Vn 8. Ioan Catalin Angelo, Ioan Gina “The Cournot Equilibrium for n Firms”, The International Conference “European Integration - Realities and Perspectives” 2015, Galati, Proceedings, pp.364-374
http://www.proceedings.univ-danubius.ro/index.php/eirp/article/view/1626/1496
Vn 9. Ioan Catalin Angelo, Ioan Gina, “The Stackelberg Model for a Leader of Production and Many Satellites”, The International Conference “European Integration - Realities and Perspectives” 2015, Galati, Proceedings, pp.359-363
http://www.proceedings.univ-danubius.ro/index.php/eirp/article/view/1625/1495
Vn 10. Ioan Catalin Angelo, “The Determination of the Main Indicators of a Production Function Using the Bernoulli Equations“, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, pp.626-635, 2012
http://proceedings.univ-danubius.ro/index.php/eirp/article/viewFile/1268/1231
Vn 11. Ioan Catalin Angelo, “The sequence operation in production flows“, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, pp.385 -387, 2011
http://www.proceedings.univ-danubius.ro/index.php/eirp/article/viewFile/936/855
Vn 12. Ioan Catalin Angelo, “The choice of optimal decisions in uncertitude situations“, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, pp.377 -379, 2011
http://proceedings.univ-danubius.ro/index.php/eirp/article/viewFile/1072/991
Vn 13. Ioan Catalin Angelo, “The optimal assignation of workers on jobs from the point of view of minimization the maximal execution time”, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, 2009
http://www.univ-danubius.ro/index.php?option=com_content&view=article&id=624&Itemid=472&lang=ro
Vn 14. Ioan Catalin Angelo, “The space geometry of production functions”, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, 2009
http://www.univ-danubius.ro/index.php?option=com_content&view=article&id=624&Itemid=472&lang=ro
Vn 15. Ioan Catalin Angelo, “A Method of Determination of an Aquisition Program in Order to Maximize the Total Utility”, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-606-533-013-9, 2009
http://www.univ-danubius.ro/index.php?option=com_content&view=article&id=624&Itemid=472&lang=ro
Vn 16. Ioan Catalin Angelo, “The choice of optimal decisions in uncertitude situations”, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2409-5, pp.377-379, 2008
Vn 17. Ioan Catalin Angelo, “The sequence operation in production flows”, International Conference “The European Integration – Realities and Perspectives” Galati, Didactic and Pedagogical Publishing House, Bucharest, ISBN 978-973-30-2049-3, pp.383-386, 2007
Vn 18. Ioan Catalin Angelo, “Applications of the space differential geometry at the study of production functions”, International Conference “The European Integration – Realities and Perspectives” Galati, ISBN 978-973-30-1512-3, pp.388-396, 2006
Vn 19. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “The quality resources management”, International Conference on Business, Economics and Management,Yasar University, Izmir Turkey, 2005
Vn 20. Ioan Catalin Angelo/Turtureanu Anca Gabriela, “Brăila – Plain water resources”, The Proceedings of the International Economic Conference, Brasov, Romania, 2005, pp.524-530
b) national (Vn)
Vn 1. Ioan Catalin Angelo, “Statistical aspects of Romanian higher education in the perspective of integration into the European Union”, in “ Regional development and structural balance of the national economy”, ISBN 973-668-073-8, pp.244-249, 2004
Vn 2. Ioan Catalin Angelo, “The axiom of 2p+1-coholomorphic C-spheres for Kahler varieties”, Proceedings of the National Conference of Geometry and Topology, Târgovişte, 12-14 April 1986, pp.9-12, appeared in 1988
http://evidentacercetare.univ-danubius.ro/Surse/Set_013/wKJKAa6xt8.pdf
Niciun comentariu:
Trimiteți un comentariu