ИНСТИТУТ ПО ИНФОРМАЦИОННИ ТЕХНОЛОГИИ - БАН


Академик Иван Петков Попчев

ОБЛАСТ НА НАУЧНА КВАЛИФИКАЦИЯ

Образование
Научни степени и звания

Работен стаж

Педагогическа дейност
1964 - досега хоноруван асистент, преподавател, професор и гост-професор в различни български и чуждестранни университети.

Изследователски интереси и проекти

ПУБЛИКАЦИОННА ДЕЙНОСТ
Повече от 350 научни труда (в това число над 30 книги) на български, английски, немски и руски езици, отпечатани в международни списания и в трудове на конгреси, конференции и симпозиуми.

Публикации
  1. Stoyanov S., I. Popchev, I., E. Doychev, D. Mitev, V. Valkanov, A. Stoyanova-Doycheva, V. Valkanova, I. Minov. DeLC Educational Portal. - Cybernetics and Information Technologies, Vol. 10, 2010, No. 3, 49-69, ISSN: 1311-9702
  2. Stoyanov, S., I. Ganchev, I. Popchev, M. O'Droma, An Approach for the Development of a Context-Aware and Adaptive eLearning Middleware. In: Springer Series Studies in Computational Intelligence, Vol. 229 "Intelligent Systems: From Theory to Practice", Sgurev V. et al (Eds.), pp 519-535, ISBN 978-3-642-13427-2
  3. Dimitrov, I., S. Stoyanov, I. Popchev. Optimal resource deployment in an InfoStation-based network. In: Proc. of Anniversary International Conference REMIA 2010, Plovdiv, Bulgaria, 10-12 December 2010, 247-253, ISBN: 978-954-423-648-9.
  4. Savov S., I. Popchev. On Positive Definite Uncertain Matrix Polynomials. Generalized Exact Conditions. - Compt. Rend. Acad. Bulg. Sci., Vol. 63, 2010, No. 9, 1349-1358, ISSN: 1310-1331.
  5. Konstantinov M., P. Petkov, I. Popchev, V. Angelova. Perturbation bounds for the matrix equation . - Compt. Rend. Acad. Bulg. Sci., Vol. 63, 2010, No. 9, 1265-1272.
  6. Popchev, I., V. Angelova. On the Sensitivity Estimation of the Matrix Equation . - Cybernetics and Information Technologies, Vol. 10, 2010, No. 2, 14-30, ISSN: 1311-9702.
  7. Stoyanov, S., I. Ganchev, I. Popchev, M. O’Droma, V. Valkanova. Agent-oriented middleware for InfoStation-based mLearning intelligent systems. In: 2010 IEEE Int. Conf. on Intelligent Systems Proc., London, UK, 7-9 July 2010, 91-95, ISBN: 978-1-4244-5164-7.
  8. Peneva, V., I. Popchev, Fuzzy multi-criteria decision making algorithms. - Compt. Rend. Acad. Bulg. Sci., Vol. 63, 2010, No. 7, 979-992, ISSN: 1310-1331.
  9. Stoyanov, S., I. Ganchev, I. Popchev, I. Dimitrov. Request globalization in an infostation network. - Compt. Rend. Acad. Bulg. Sci., Vol. 63, 2010, No. 6, 901-908, ISSN: 1310-1331.
  10. Вълканова, В., С. Стоянов, Х. Зедан, И. Попчев. Модел за изследване на креативното мислене и действие на ученици. В: Математика и математическо образование, 2010, Proceedings of Thirty Ninth Spring Conference of the Union of Bulgarian Mathematicians. Albena, April 6-10, 2010, 274-279.
  11. Попчев, И., З. Николов. Има ли в България достатъчно вятър?. - Техносфера, бр. 4(8), 2009, 9-18, ISSN: 1313-3861.
  12. Попчев, И. Многокритериален избор на проектни решения: някои практически алгоритми. В: Финансови решения: изследвания и практики. Издателство на Нов български университет, 2009, София, 23-51, ISBN: 978-954-535-592-9.
  13. Peneva, V., I. Popchev. Multicriteria decision making by fuzzy relations and weighting functions for the criteria. - Cybernetics and Information Technologies, Vol. 9, 2009, No. 4, 58-71, ISSN: 1311-9702.
  14. Mitev, D., S. Stoyanov, I. Popchev. Selbo2 – an environment for creating electronic content in software engineering. - Cybernetics and Information Technologies, Vol. 9, 2009, No. 3, 96-105, ISSN: 1311-9702.
  15. Peneva, V., I. Popchev. Models for decision making by fuzzy relations and fuzzy numbers for criteria evaluations. - Compt. Rend. Acad. Bulg. Sci., Vol. 62, 2009, No. 10, 1217-1222, ISSN: 1310-1331.
  16. Savov, S., I. Popchev. Generalized asymptotically exact condition for stability of uncertain numbers. - Compt. Rend. Acad. Bulg. Sci., Vol. 62, 2009, No. 9, 1149-1156, ISSN: 1310-1331.
  17. Savov, S., I. Popchev. Relaxed robust stability analysis. - Compt. Rend. Acad. Bulg. Sci., Vol. 62, 2009, No. 8, 1001-1008, ISSN: 1310-1331.
  18. Peneva, V., I. Popchev. Models for fuzzy multicriteria decision making based on fuzzy relations. - Compt. Rend. Acad. Bulg. Sci., Vol. 62, 2009, No. 5, 551-558, ISSN: 1310-1331.
  19. Savov, S., I. Popchev. Bounds for the solution of the continuous Lyapunov equation under relaxed validity constraints. - Advanced Studies in Contemporary Mathematics, Vol. 18, 2009, No. 2, 235-243, ISSN: 1229-3067.
  20. Попчев, И., Н. Велинова, Управление на риска на портфейли от ценни книжа чрез оптимално хеджиране. – Икономически алтернативи, 2008, бр. 1, 7-12, ISSN: 1312-5281.
  21. Попчев, И., И. Радева. Накратко за възможностите на кредитните деривативи. В: Финансови иновации – изследвания и практики, Издателство на Нов български университет, 2008, София, 115-135, ISBN: 978-954-535-502-8.
  22. Попчев, И. Рискът в Новата парадигма. В: Мениджмънт и лидерство (под редакцията на доц. д-р Д. Панайотов), Издателство на Нов български университет, 2008, София, 115-135, ISBN: 978-954-535-499-1.
  23. Popchev, I. Review of “Adaptive inverse control: a signal processing approach” in Bernard Widrow, Eugene Walach (Eds.) – International Journal of Bioautomation, 2008, Vol. 10, 116-118, ISSN: 1313-361X.
  24. Stoyanov, S., N. Govedarova, I. Popchev. A knowledge-intensive CBR application for content-based retrieval in BULCHINO catalogue. In: Proc. of the Conference “Concurrency, Specification and Programming `2008”, Vol. 1, Gross Vaeter, Germany, 29 September – 1 October 2008, 168-180, ISSN: 0863-095X.
  25. Govedarova, N., S. Stoyanov, I. Popchev, Hybrid ontology and CBR-based search in BULCHINO catalogue. In: Proc. of the International Conference “Informatics in the Scientific Knowledge `2008”, Varna, Bulgaria, 26-28 June 2008, 205-216, ISSN: 1313-4345, ISBN-10:954-715-303-X, ISBN-13: 978-954-715-303-5.
  26. Govedarova, N., S. Stoyanov, I. Popchev, An ontology-based CBR architecture for knowledge management in BULCHINO catalogue. In: Proc. of the International Conference “Computer Systems and Technologies `2008”, Gabrovo, Bulgaria, 12-13 June 2008, V.5.1-V.5.6, ISBN: 978-954-9641-52-3.
  27. Stoyanov, S., I. Ganchev, I. Popchev, M. O’Droma, Service-oriented and agent-based approach for the development of InfoStation eLearning intelligent system architectures. In: Proc. of the IS 2008 – IEEE International Conference on Intelligent Systems, Varna, Bulgaria, September 6-8, 2008, 6.20–6.25, ISBN: 978-1-4244-1740-7.
  28. Peneva, V., I. Popchev. Multicriteria decision making based on fuzzy relations. - Cybernetics and Information Technologies, Vol. 8, 2008, No. 4, 3-12, ISSN: 1311-9702.
  29. Savov, S., I. Popchev. New generalized upper trace bound for the solution of the Lyapunov equation. - Int. J. Pure and Appl. Math., Vol. 49, 2008, No. 3, 381-389, ISSN: 1311-8080.
  30. Savov, S., I. Popchev. On the degree of polynomial in the uncertainty valid Lyapunov functions for polytopic systems. - Compt. Rend. Acad. Bulg. Sci., Vol. 61, 2008, No. 10, 1335-1338, ISSN: 1310-1331.
  31. Stoyanov, S., V. Valkanova, I. Popchev, I. Minov. A scenario-based approach for the creation of a virtual environement for secondary school instruction. - Cybernetics and Information Technologies 8 (3), 86-96, 2008, ISSN: 1311-9702.
  32. Stoyanov, St., I. Ganchev, I. Popchev, M. O’Droma. An approach to the development of infostation-based elearning architectures. - Compt. Rend. Acad. Bulg. Sci., Vol. 61, 2008, No. 9, 1189-1196, ISSN: 1310-1331.
  33. Popchev I., P. Georgieva. A fuzzy approach to solving multicriteria investment problems. In: Innovative Techniques in Instruction Technology, E-Learning, E-Assessment, and Education (Ed. by Magued Iskander), Springer, Science+Business Media B.V., 2008, 427-431, ISBN: 978-1-4020-8738-7.
  34. Konstantinov M., P. Petkov, I. Popchev, V. Angelova. Perturbation bounds for the matrix equation . - Compt. Rend. Acad. Bulg. Sci., Vol. 61, 2008, No. 9, 1111-1120.
  35. Konstantinov M., P. Petkov, I. Popchev, V. Angelova. On the sensitivity of the matrix equation . - Cybernetics and Information Technologies, Vol. 8, 2008, No. 2, 3-11, ISSN: 1311-9702.
  36. Peneva V., I. Popchev. Fuzzy criteria importance depending on membership degrees of fuzzy relations. - Comp. Rend. Acad. Bulg. Sci. Vol. 61, 2008, No. 5, 579-584, ISSN: 1310-1331.
  37. Savov S., I. Popchev. New upper bounds for the CALE: A singular value decomposition approach. - International Journal of Control, Automation, and Systems, Vol. 6, 2008, No. 2, 288-294, ISSN: 1598-6446 (print version). ISSN: 2005-4092 (electronic version).
  38. Peneva V., I. Popchev. Fuzzy criteria importance with weighting functions. - Comp. Rend. Acad. Bulg. Sci. Vol. 61, 2008, No. 3, 293-300, ISSN: 1310-1331.
  39. Kabakchieva, D., K. Stefanova, I. Popchev, R. Nikolov. Design and implementation of collaborative platform for extended enterprises. In: Conference Proceedings, 3rd Balkan Conference in Informatics (BCI`2007), Vol. 1, Sofia, Bulgaria, 27-29 September 2007, 343-354.
  40. Popchev, I., I. Radeva. MAP-Cluster: An approach to latent cluster identification. In: Proc. IFAC-CEFIS `2007 “Synergy of Computational Economics and Financial and Industrial Systems” (Eds. G. M. Dimirovski, F. Ulengin), Istanbul, October 9-11, 2007, 63-67.
  41. Stoyanov, S., Govedarova, N., I. Popchev. CBR-based search in BULCHINO catalogue. In: Proc. of the Conference “Concurrency, Specification and Programming `2007” (Ed. L. Czaja), Warsaw University, Lagow, 27-29 Sept. 2007, Vol. 2, 2007, 521-532.
  42. Стоянов, С., И. Ганчев, И. Попчев, М. О’Дрома, А. Рахнев, Т. Глушкова, М. Трендафилова, Междууниверситетски център за дистанционно и електронно обучение DeLC. В: Intelligent eLearning Services and Architectures. Problems and perspectives. ( ред. И. Попчев), Международен научен семинар, 16-17 юли 2007, Брезово, Изд. „Макрос”, 2007, 17-38, ISBN: 978-954-561-303-6.
  43. Попчев, И. Науката, образованието и времето. В: Сборник доклади на юбилейната научна конференция с международно участие Смолян, 30 ноември – 1 декември 2007, част ІІ – „Математика, информатика и информационни технологии”, 2007, 9-18, ISBN: 978-954-8767-24-8.
  44. Стоянов, С., И. Попчев, Регионална мрежа ROSEN. В: Сборник доклади на юбилейната научна конференция с международно участие Смолян, 30 ноември – 1 декември 2007, част ІІ – „Математика, информатика и информационни технологии”, 2007, 35-40, ISBN: 978-954-8767-24-8.
  45. Peneva, V., I.Popchev. Aggregation of fuzzy relations using weighting function. - Compt. Rend. Acad. Bulg. Sci., Vol. 60, 2007, No. 10, 1047-1052, ISSN: 1310-1331.
  46. Popchev I., I. Radeva. Multi-Criteria Scheme for MAP-Cluster Identification. - Problems of Engineering Cybernetics and Robotics, Vol. 58, 2007, 3-12, ISSN: 0204-9848.
  47. Peneva V., I. Popchev. Aggregation of fuzzy relations with fuzzy weighted coefficients. - Advanced Studies in Contemporary Mathematics, Vol. 15, 2007, No. 1, 121-132, ISSN: 1229-3067.
  48. Peneva V., I. Popchev. Aggregation of fuzzy preference relations to multicriteria decision making, Fuzzy Optim. Decis. Making, Vol. 6, 2007, No. 4, 351-365, ISSN: 1568-4539 (print version). ISSN: 1573-2908 (electronic version).
  49. Savov S., I. Popchev. A relaxed sufficient condition for robust stability of affine systems. – Comp. Rend. Acad. Bulg. Sci., Vol. 60, 2007, No. 9, 973-978, ISSN: 1310-1331.
  50. Savov, S., I. Popchev. Robust stability of polytopic systems via homogenous polynomials. – Compt. Rend. Acad. Bulg. Sci., Vol. 60, 2007, No. 7, 749-756, ISSN: 1310-1331.
  51. Попчев, И. Бизнес интелигентност: практически аспекти. В: Сборник доклади научна конференция с международно участие, том ІІІ, Бургас, 2006, 336-340.
  52. Попчев, И. Метафората бизнес интелигентност. – Автоматика и информатика, 2006, No. 4, 11-13, ISSN: 0861-7562.
  53. Stoyanov S., I. Popchev, Evolutionary development of an infrastructure supporting the transition from CBT to e-Learning. – Cybernetics and Information Technologies, Vol. 6, 2006, No. 2, 101-114, ISSN: 1311-9702.
  54. Peneva V., I. Popchev. Models of decision making support by multicriteria problems in fuzzy environment. – Advanced Studies in Contemporary Mathematics Vol. 12, 2006, Np. 2, 291-308, ISSN: 1229-3067.
  55. Peneva V., I. Popchev. Aggregation of fuzzy preference relations by composition. – Comp. Rend. Acad. Bulg. Sci. 59, No. 4, 2006, 373-380.
  56. Savov S., I. Popchev. Solution bound validity for the CALE extension via singular value decomposition approach. – Comp. Rend. Acad. Bulg. Sci., Vol. 59, 2006, No. 9, 933-938, ISSN: 1310-1331
  57. Savov S., I. Popchev. Valid inner upper matrix bound for the continuous Lyapunov equation. – Comp. Rend. Acad. Bulg. Sci., Vol. 59, 2006, No. 10, 1009-1012, ISSN: 1310-1331.
  58. Popchev I., I. Radeva. A decision support method for investment preference evaluation. – Cybernetics and Information Technologies, Vol. 6, 2006, No. 1, 3-16, ISSN: 1311-9702.
  59. Попчев И., Н. Велинова. Модели за оптимално хеджиране на портфейли от ценни книжа. – Икономика, год. LX, 2006, бр. 3, 88-91, ISSN: 1312-2428.
  60. Попчев И., Н. Велинова. Конструиране на неутрални портфейли от ценни книжа. – Икономически алтернативи, 2006, бр. 5 (76), 15-29, ISSN: 1312-5281.
  61. Kabakchieva D., I. Popchev. Business intelligence initiatives – valuable opportunity and great challenge. In: Proc. of the Intern. Workshop “Distributed computer and communication networks” (Eds. V. Vishnevsky, Hr. Daskalova) 30 Oct. – 2 Nov. 2006 Sofia, Bulgaria, organized by the Russian Academy of Sciences and the Bulgarian Academy of Sciences, 254-263.
  62. Stoyanov S., I. Popchev, O. Rachneva, A. Rachnev. DeLC – technological environment supporting the transition from CBT to eLearning. In: Intern. Scientific Conference “Informatics an the Scientific Knowledge” (Ed. N. Lyutov), Vol. 1, 28-30 June 2006, Varna Free University, 113-127.
  63. Попчев И. Има ли бизнес интелигентност? In: Intern. Scientific Conference “Informatics an the Scientific Knowledge” (Ed. N. Lyutov), Vol. 1, 28-30 June 2006, Varna Free University, 5-14.
  64. Peneva V., I. Popchev. Models for weighted aggregation of fuzzy relations to multicriteria decision making problems. - Cybernetics and Information Technologies, Vol. 6, 2006, No. 3, 3-18, ISSN: 1311-9702.
  65. Peneva V., I. Popchev. Aggregation of fuzzy preference relations by composition. - Compt. Rend. Acad. Bulg. Sci., Vol. 59, 2006, No. 4, 373-380, ISSN: 1310-1331.
  66. Попчев, И., И. Радева, Имунизацията – стратегия за управление на активите и задълженията. В: Годишник 2005 „Икономика и бизнесадминистрация: методология, интердисциплинарност, анализи, стратегии”, Издателство на Нов български университет, 2005, София, 118-145, ISBN: 954-535-329-5.
  67. Savov, S., I. Popchev. Generalized Lyapunov function for stability analysis on uncertain systems. In: Proc of 16th IFAC World Congress, Prague, Czech Republic, 2005. http://www.nt.ntnu.no/users/skoge/prost/proceedings/ifac2005/Fullpapers/02330.pdf
  68. Angelova, V., M. Konstantinov, P. Petkov, I. Popchev. Perturbation anallysis for the complex matrix equation . In: Proc of 16th IFAC World Congress, Prague, Czech Republic, 2005. http://www.nt.ntnu.no/users/skoge/prost/proceedings/ifac2005/Fullpapers/02645.pdf
  69. Stoyanov, S., I. Ganchev, I. Popchev, M. O’Droma, E. Doychev. An approach for the development of agent-oriented distributed e-learning centre. In: Proc. of the International Conference on Computer Systems and Technologies “CompSysTech `05” (Eds. B. Rachev, A. Smrikarov), Varna, Bulgaria, 16-17 June 2005, IV.13.1 – IV.13.7.
  70. Popchev, I., N. Velinova. Software decision for neutral portfolio of securities. - Cybernetics and Information Technologies, Vol. 5, 2005, No. 1, 14-34, ISSN: 1311-9702.
  71. Popchev, I., I. Radeva. Decision support system for investment preference evaluation under conditions of incomplete information. In: Proc. 3rd Intern. Conference “Information Research, Applications and Education” (Ed. K. Markov), 27-30 June 2005, Varna, 189-190.
  72. Peneva V., I. Popchev. Weighted transformation in aggregation operators uniting fuzzy relations. – Advanced Studies in Contemporary Mathematics, Vol. 10, 2005, No. 1, 25-44, ISSN: 1229-3067.
  73. Savov S., I. Popchev. The continuous algebraic Lyapunov’s equation. Lower and upper matrix bounds. - Compt. Rend. Acad. Bulg. Sci., Vol. 58, 2005, No. 9, 1039-1042, ISSN: 1310-1331.
  74. Savov S., I. Popchev. Discrete algebraic Lyapunov’s equation. Lower and upper matrix bounds. - Compt. Rend. Acad. Bulg. Sci., Vol. 58, 2005, No. 10, 1159-1162, ISSN: 1310-1331.
  75. Peneva V., I. Popchev. Aggregation of fuzzy preference relations with different importance. - Compt. Rend. Acad. Bulg. Sci., Vol. 58, 2005, No. 5, 499-506, ISSN: 1310-1331.
  76. Stoyanov S., I. Ganchev, I. Popchev, M. O'Droma. From CBT to e-Learning. – Information Technologies and Control, Year III, 2005, No. 4, 2-10, ISSN: 1312-2622.
  77. Stoyanov, S., I. Ganchev, M. O’Droma, I. Popchev. DeLC Project: Current state and development. In: 2nd Intern. Workshop of e-Services and e-Learning (Sept. 28-29, 2004, University of Plovdiv, Smoljan, Bulgaria). Publisher: Otto-von-Guericke Universität, Magedburg, January 2005, 113-130, ISBN: 3-929757-76-1.
  78. Savov S., I. Popchev. New upper estimates for the solution of the continuous algebraic Lyapunov equation. - IEEE Transactions on Automatic Control, Vol. 49, October 2004, No. 10, 1841-1842, ISSN: 0018-9286.
  79. Savov S., I. Popchev. Stability analysis of uncertain matrices via parametrised interval system of equations. - Compt. Rend. Acad. Bulg. Sci., Vol. 57, 2004, No. 6, 67-70, ISSN: 1310-1331.
  80. Попчев И., И. Радева. Управление на облигационни портфейли: анализ и приложение на модел за многопериодна имунизация. - Икономическа мисъл, XLIX, 2004, Nо. 4, 28-43, ISSN: 0013-2993.
  81. Savov S., I. Popchev. On the stability analysis on uncertain systems via parameter dependent Lyapunov function. - Cybernerics and Information Technologies, Vol. 4, 2004, No. 1, 35-42, ISSN: 1311-9702. <
  82. Попчев И., И. Радева. Изследване на характеристиките на доходността и ценовата чувствителност на облигации с фиксиран доход. В: Научни трудове на Факултета по икономически и социални науки на ПУ “П.Хилендарски”, годишник No. 3, Пловдив, 2004, 5-18.
  83. Peneva V., I. Popchev. Transformations by parameterized t-norms preserving the properties of fuzzy relations. – Compt. Rend. Acad. Bulg. Sci., Vol. 57, 2004, No. 10, 9-18, ISSN: 1310-1331.
  84. Ganchev I., S. Stojanov, M. O'Droma, I. Popchev. Enhancement of DeLC for the provision of intelligent mobile services. - In: Proceedings of 2nd International IEEE Conference "Intelligent Systems" (Varna, Bulgaria, June 22-24, 2004), Vol. I, 2004, 359-364, ISBN: 0-7803-8278-1.
  85. Peneva V., I. Popchev. Fuzzy decisions in soft computing. In: Proceedings of 2nd International IEEE Conference "Intelligent Systems" (Varna, Bulgaria, June 22-24, 2004), Vol. II, 2004, 606-609, ISBN: 0-7803-8278-1.
  86. Popchev I., I. Radeva. An investment preference under incomplete data. In: Proceedings DECOM-TT 2004, Automatic Systems for Bulding the Infrastructure in Developing Countries, Regional and Global Aspects (Bansko, Bulgaria October 3-5, 2004), 2004, 243-248.
  87. Stojanov S., I. Popchev, D.Chaushkova, M.Trendafilova. A case based reasoning approach for development of intelligent services. In: Proceedings of CompSysTech'04 the International Conference on Computer Systems and Technologies (e-Learning) (Rousse, Bulgaria, June 17-18, 2004), 2004, v.7-1 - v.7-7.
  88. Stojanov S., I. Popchev, D. Chaushkova, M. Trendafilova. A case based reasoning approach for development of intelligent services. - , Year II, 2004, No. 3, 31-34, ISSN: 1312-2622.
  89. Стоянов С., И. Попчев, Р. Венков. Концепция за изграждане на разпределен център за електронно обучение (DeLC). В: Новите технологии в образованието и професионалното обучение. - Научно-практическа конференция (София, 16-17 май 2003 г.). Център за европейско образование и мултикултурни комуникации. С., 2003, 49-59.
  90. Ganchev I., M. O'Droma, S. Stojanov, I. Popchev. Provision of mobile e-Services in a distributed e-Learning center. In: Proceedings International Conference Automatics and Informatics'03 (Sofia, October 6-8, 2003). Union of Automation and Informatics, Sofia, Vol. 1, 2003, 79-82.
  91. Savov S., I. Popchev. Unrestricted parameter-dependent Lyapunov's function for robust stability analysis. - Information Technologies and Control, Vol. 1, 2003, No. 1, 32-38, ISSN: 1312-2622.
  92. Peneva V., I. Popchev. Properties of the aggregation operators related with fuzzy relations. - Fuzzy sets and Systems, Vol. 139, 2003, No. 3, 615-633, ISSN: 0165-0114.
  93. Peneva V., I. Popchev. Properties of fuzzy relations obtained by aggregations operators. - Compt. Rend. Acad. Bulg. Sci., Vol. 56, 2003, No. 1, 9-16, ISSN: 1310-1331.
  94. Savov S., I. Popchev. Robust stability analysis of continuous-time systems via generalized uncertain Lyapunov's matrices. - Compt. Rend. Acad. Bulg. Sci., Vol. 56, 2003, No. 2, 55-58, ISSN: 1310-1331.
  95. Peneva V., I. Popchev. Weighted aggregation of fuzzy relations. - Compt. Rend. Acad. Bulg. Sci., Vol. 56, 2003, No. 10, 29-35, ISSN: 1310-1331.
  96. Stojanov S., I. Ganchev, I. Popchev, M. O'Droma, R. Venkov. DeLC-Distributed e-Learning Centre. In: Proceedings of the 1st Balkan Conference in Informatics (Thessaloniki, 21-23 November, 2003), Publishing Centre Technological Educational Institute of Thessaloniki, Thessaloniki, 2003, 327-326, ISBN: 960-287-045-1.
  97. Попчев И. Рискът - поглед отвън. - Факт, 2003, No. 1, 28-35.
  98. Попчев И., Й. Ботев, О. Харизанова, И. Митова, Л. Йонов, А. Янакиев, Е. Топалова. Технологиите на информационното общество в шеста рамкова програма на Европейския съюз за научни изследвания и технологично развитие (2002-2006), ICT Development Agency, София, 2003, 132.
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Членство в над 20 международни и национални научни организации
Членство в научни и експертни съвети
В продължение на над 40 години председател и/или член на научни, научно-технически, експертни, факултетни и академични съвети към различни институции.


Последна актуализация: Декември 2010.