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Conference Abstracts
  1. R.Enkhbat, Global Optimization Approach to Malfatti's Generalized Problem, The 10th International Conference on Optimization: Techniques and Applications (ICOTA10), pp.77, Ulaanbaatar, Mongolia, July 23-26, 2016.
  2. T.Gruzdeva and R.Enkhbat, One Approach to Solving an Applied-ore Processing Problem via D.C Optimization, pp.59, The 10th International Conference on Optimization: Techniques and Applications (ICOTA10), pp.77, Ulaanbaatar, Mongolia, July 23-26, 2016.
  3. M.Barkova, R.Enkhbat and T.Gruzdeva, D.C Optimization Approach for Solving an Optimization Problem at Ore-Dressing Plant, pp.72, The 10th International Conference on Optimization: Techniques and Applications (ICOTA10), pp.77, Ulaanbaatar, Mongolia, July 23-26, 2016.
  4. R.Enkhbat, M.Bellalij, K.Jbilou and t.Bayartugs, Semidefinite Quasiconvex Programming, pp.101, The 10th International Conference on Optimization: Techniques and Applications (ICOTA10), pp.77, Ulaanbaatar, Mongolia, July 23-26, 2016.
  5. R.Enkhbat, D.Bayanjargal and N.Tungalag, Application of Stochastic Differential Equations in Population Growth, pp.5, The First Mongolia-Russia-Vietnam Workshop on Numerical Solution of Differential and Integral Equations(NSDIE2016), pp.5, Ulaanbaatar, Mongolia, September 10-11,2016.
  6. R.Enkhbat, N.Tungalag, A.Gornov and A.Anikin, The Curvilinear Search Algorithm for Solving Three-Person Game, pp.20, International Conference on Discrete Optimization and Operations Research (DOOR2016), Vladivostok, Russia, September 19-23,2016.
  7. R.Enkhbat, T.Gruzdeva and M.Barkova, Solving an Ore-Dressing Plant Problem by Global Optimization, pp.57, 5th Workshop-Seminar on Nonlinear Analysis and Extremal Problems, Institute of Dynamic System and Control, 20-25 June, Irkutsk, 2016.
  8. T.Bayartugs, S.Batbileg, M.Mend-Amar and R.Enkhbat, Application of Genetic Algorithm in Solving School Class Scheduling Problem, Conference on Mathematical Theory, Applications and Mathematical Education, pp.43-44, Ulaanbaatar, Mongolia, May 14, 2015.
  9. N.Tungalag, L.Oyuntsetseg, R.Enkhbat and J.Enkhbayar, An Evaluation of Pension Insurance Reform Options for Mongolia, International Conference on Insurance and Risk Management, pp.13, July 15-18, HangZhou, China, 2015.
  10. Ch.Ankhbayar, N.Tungalag and R.Enkhbat, Mathematical Model for Credit Risk Evaluation, International Conference on Insurance and Risk Management, pp.18, July 15-18, HangZhou, China,2015.
  11. R.Enkhbat, Optimization Approach to Malfatti's Problem, Luyapunov Seminar, pp.49, Institute of Dynamic System and Control, November 30- December 2, Irkutsk, 2015.
  12. R.Enkhbat, and T.Bayartugs, On the Minimization and Maximization of Product of Two Concave Functions, Short Communications Abstracts, International Congress of Mathematicians(ICM2014), pp.576, Seoul, Korea, 12-22 August 2014.
  13. R.Enkhbat, N.Tungalag and A.S.Strekalovsky, Average Cost Minimization Problem, 15th Baikal International School-Seminar: Optimization Methods and Their Applications, pp.97, Baikal, Irkutsk, June 30- July 6, 2014.
  14. R.Enkhbat, N.Tungalag and D.Bayanjargal, Analysis and Modeling of Mongolian Economic Structure, International Conference on Macroeconomic and Business Development of Mining Oriented Economy, May 16, pp.100-113, 2014.
  15. T.Bayartugs and R.Enkhbat, Fractional Semidefinite Programming, The 9thInternational Conference on Optimization: Techniques and Applications(ICOTA9),pp.53,Taipei,Taiwan, December 12-16, 2013.
  16. R.Enkhbat, J.Zhou and K.Teo, A Global Optimization Approach to Fractional Optimal Control, The 9th International Conference on Optimization: Techniques and Applications(ICOTA9),pp.43,Taipei,Taiwan, December 12-16, 2013.
  17. R.Enkhbat, Global Method and Algorithm for Optimal Control Problems, The 2013 World Congress on Global Optimization, pp.8, Yellow Mountain, Anhui, China, July 8-12, 2013.
  18. T.Bayartugs and R.Enkhbat, Global Optimality Conditions for Semidefinite Quasiconvex Minimization Problem, pp.27, Yellow Mountain, Anhui, China, July 8-12, 2013.
  19. A.S.Strekalovsky and R.Enkhbat, On Solving Polymatrix Game, Lyupunov Readings, Institute of Dynamic System and Control Theory, Irkutsk, December 9-11, 2013.
  20. B.Barsbold, R.Enkhbat and A.Greiwank, Derivative Variation Approach for Some Class of Optimal Control, International Conference on Optimization, Simulation and Control, pp.23, Ulaanbaatar, Mongolia, July 1-4, 2013.
  21. R.Enkhbat, Recent Advances in Concave Programming, International Conference on Optimization, Simulation and Control, pp.53, Ulaanbaatar, Mongolia, July 1-4, 2013.
  22. R.Enkhbat and N.Tungalag, Average Cost Minimization Problem in the Firm Theory, International Conference on Optimization, Simulation and Control, pp.54, Ulaanbaatar, Mongolia, July 1-4, 2013.
  23. R.Enkhbat, J.Enkhbayar and A.Greiwank, Theory and Methods for Utility Maximization in Oligopsonistic Market, International Conference on Optimization, Simulation and Control, pp.55, Ulaanbaatar, Mongolia, July 1-4, 2013.
  24. Ya.Lutbat, R.Enkhbat and W.J.Hwang, A within-Time Horizon Network Modelling and Design, International Conference on Optimization, Simulation and Control, pp.71, Ulaanbaatar, Mongolia, July 1-4, 2013.
  25. T.Bayartugs and R.Enkhbat, Quasiconvex Semidefinite Convex Minimization Problem, Short Communications Abstracts, Russian-Mongolian Conference on Mathematical Modeling, Computational Technology and Optimal Control, 25 June - 1 July, 2013, Khankh, Mongolia,pp.3.
  26. A.Enkhbolor, R.Enkhbat and Heung-Kook Choi, A Gradient Projection Algorithm to Restore Phase Contrast Microscopy Cell Image for Segmentation, The 9-th International Conference on Multimedia Information Technology and Applications (MITA2013), July 2-5, 2013, Nikko Bali Resort, Bali, Indonesia, pp.35.
  27. R.Enkhbat, Development of Mathematics in Mongolia , 6-th European Congress of Mathematics, July 2-7, 2012, Krakow, Poland.
  28. R.Enkhbat, B.Barsbold and A.Griewank, Derivative Variation Approach for Some Class of Optimal Control, the 5-th International Conference on Optimization and Control with Applications, 4-8 December, 2012, Beijing, China, pp.42.
  29. T.Bayartugs and R.Enkhbat, A Computational Method for the Quasiconvex Maximization Problem, the 5-th International Conference on Optimization and Control with Applications, 4-8 December, 2012, Beijing, China, pp.42.
  30. A.Enkhbolor, S.Cho, R.Enkhbat and Heung-Kook Choi, Filtered Histogram Equalization for Image Enhancement, The 8-th International Conference on Multimedia Information Technology and Applications(MITA 2012), 4-6 July ,2012, China, pp.40.
  31. J.Enkhbayar and R.Enkhbat, Methods and Algorithms for Solving the Utility Maximization Problems, Short Communications Abstracts, Russian-Mongolian Conference on Mathematical Modeling,Computational Technology and Optimal Control, 17-21 June, 2011, Khankh, Mongolia,pp.30.
  32. S.Batbileg and R.Enkhbat, Global Optimization Approach To Game Theory, Short Communications Abstracts, Russian-Mongolian Conference on Mathematical Modeling,Computational Technology and Optimal Control, 17-21 June, 2011, Khankh, Mongolia,pp.10.
  33. R.Enkhbat, Theory, Methods and Applications of Concave Programming, Proceedings of 4-th International Conference on Mathematics, its Applications and Mathematical Education, pp.104-107, Ulan-Ude, Russia, 27 June- 1 July, 13-17, 2011.
  34. J.Enkhbayar and R.Enkhbat, Methods and Algorithms for Solving the Utility Maximization Problems, Proceedings of 4-th International Conference on Mathematics, its Applications and Mathematical Education, pp.71, Ulan-Ude, Russia, 27 June- 1 July, 13-17, 2011.
  35. R.Enkhbat and Bayartugs, Convex Maximization with Matrix Variables, Proceedings of 4-th International Conference on Mathematics, its Applications and Mathematical Education, pp.71, Ulan-Ude, Russia, 27 June- 1 July, 13-17, 2011.
  36. Ya.Lutbat, R.Enkhbat and W.J.Hwang, Shortest Path Routing with Large-Margin, Proceedings of 7-th International Conference on Multimedia Information Technology and Applications(MITA2011) , pp.87-90, Ulaanbaatar, Mongolia, 6-9 July, 2011.
  37. D.Bayanjargal, R.Enkhbat and others, "Mathematical models for the Time lags of Enrichment Technological Process", Mathematics and Computer Scientific Conference, School of Mathematics and Computer, NUM, March 29-30, Mongolia, 2011.
  38. D.Bayanjargal, R.Enkhbat, Ch.Altannar, "Investigating Dutch Disease on the Mining Sector Using VECM", Conference of Applied Mathematics, Economic Business School of Mongolian State University of Agriculture, Ulaanbaatar, Mongolia, 2011.
  39. D.Bayanjargal, R.Enkhbat, J.Enkhbayar, "Analysing and Forecasting of Concentration of Copper Using Time Series", Conference on Mining technology, Economics and Ecology, School of Mining Engineering, MUST, Ulaanbaatar, Mongolia, 2012.
  40. R.Enkhbat, B.Barsbold, Sh.Gezegt and N.Byambadorj, Dynamic Model of Crashing Process of Ore, Scientific Conference on "Communication Technology in Mining" pp.29, May, 2011, Erdenet, Mongolia.
  41. M.Mend-Amar, R.Enkhbat, Sh.Gezegt and N.Byambazogt, Mathematical Modeling of Open Mining and Simulation Analysis, Scientific Conference on "Communication Technology in Mining" pp.69-75, May, 2011, Erdenet, Mongolia.
  42. R.Enkhbat, N.Tungalag and D.Bayanjargal, Mathematical Model for Prediction of Population Growth, Proceedings of the First International Conference on Foresight and Forecasting, June 11-12, 2010, Hustai National Park, Mongolia, pp.32-37.
  43. R.Enkhbat, Convex and Concave Optimal Control Problems, Abstracts of International Conference on Applied Mathematics and Informatics, pp.141, Nov.28- Dec.3, 2010, San-Andres, Colombia
  44. A.Bayarbaatar, R.Enkhbat and T.Bayarbat, A Global Optimization Approach for Protein Folding, International Conference on Optimization, Simulation and Control, pp.42, Ulaanbaatar, Mongolia, July 25-28, 2010.
  45. Dang-Quang Bui, R.Enkhbat and W.J.Hwang, Robust Cross-Layer Design Schemes for End-to-End Throughput in Multichannel Wireless Networks, International Conference on Optimization, Simulation and Control, pp.51, Ulaanbaatar, Mongolia, July 25-28, 2010.
  46. Dang-Quang Bui, R.Enkhbat and W.J.Hwang, Proportional Quasi-Fairness of End-To-End Rates in Network Utility Maximization, International Conference on Optimization, Simulation and Control, pp.52, Ulaanbaatar, Mongolia, July 25-28, 2010.
  47. R.Enkhbat and B.Barsbold, Optimal Embedding of Two Balls Into Polyhedral Set, International Conference on Optimization, Simulation and Control, pp.65, Ulaanbaatar, Mongolia, July 25-28, 2010.
  48. R.Enkhbat, D.Bayanjargal and A.Griewank, Global Optimization Approach To The Solow Growth Theory, International Conference on Optimization, Simulation and Control, pp.66, Ulaanbaatar, Mongolia, July 25-28, 2010.
  49. R.Enkhbat and Ya.Bazarsad, A Method for Fractional Programming, International Conference on Optimization, Simulation and Control, pp.67, Ulaanbaatar, Mongolia, July 25-28, 2010.
  50. J.P.Torregoza, R.Enkhbat and W.J.Hwang, Global Optimization Of Non-Convex Wireless Network Power Control, International Conference on Optimization, Simulation and Control, pp.128, Ulaanbaatar, Mongolia, July 25-28, 2010.
  51. R.Enkhbat and J.Guddat, Parametric Optimization and Its Applications, Proceedings of 5-th International Symposium "Generalized Statements and Solutions of Control Problems, pp.283-297, Ulaanbaatar, Mongolia, September 13-17, 2010.
  52. R.Enkhbat, B.Ser-Od and L.Amarsanaa, Optimization and Risk Management of Income for Households, Proceedings of 5-th International Symposium "Generalized Statements and Solutions of Control Problems, pp.223, Ulaanbaatar, Mongolia, September 13-17, 2010.
  53. M.Mend-Amar and R.Enkhbat, A Global Optimization Approach To Minty Variational Inequalities, Proceedings of 5-th International Symposium "Generalized Statements and Solutions of Control Problems, pp.298, Ulaanbaatar, Mongolia, September 13-17, 2010.
  54. R.Enkhbat, and Ya.Bazarsad, On the Minimization of Convex-Concave Fractional Programming, Proceedings of 5-th International Symposium ”Generalized Statements and Solutions of Control Problems”, pp.312, Ulaanbaatar, Mongolia, September 13-17, 2010.
  55. R.Enkhbat, S.Batbileg, Some Method and Algorithm for Solving D.C. Programming, Short Communications Abstracts, International Congress of Mathematicians, pp.582, Hyderabad, India, 19-27 August 2010.
  56. R.Enkhbat, Theory, Methods and Applications of Concave Programming, The First Congress on Global Optimization in Engineering and Sciences, Changsha, China, June 1-5, 2009, pp.2
  57. W.Hwang, B.Barsbold and R.Enkhbat, Network Utility Maximization Problem with Monotonic Functions, The First Congress on Global Optimization in Engineering and Sciences, Changsha, China, June 1-5, 2009, pp.19
  58. D. Bui, R.Enkhbat, and W. Hwang, “Robust Optimization in Cross-Layer Design Scheme for End-to-End Throughput in Multi-Channel Wireless Networks,” In Proceedings of Spring Conference of Korea Multimedia Society, Kwangju, Korea, May, 2009.
  59. S.Nyamlkhagva, Heung-Kook Choi and R.Enkhbat, Optimized Brighness Preserving Weight Clustering Histogram Equalization, Annual Spring Conference of Korean Multimedia Society, pp.206-209, May 22-23, 2009, Korea
  60. M.Kamada and R.Enkhbat, Spline Interpolation in Piecewise Constant Tension, SAMPTA'09, pp.1-4, Marseillle, May 18-22, France , 2009.
  61. I.Tseveendorj, C.Roucairol, B.Barsbold and R.Enkhbat, B.C.Cun, F.Galea, A Complex Search Techniques for Solving the Quadratic Assignment Problem, The International Conference on Multimedia, Information Technology and its Applications(MITA2009), pp.119-124, August 19-21, Osaka, Japan, 2009.
  62. R.Enkhbat, Quasiconvex Programming, The International Conference “Optimal Control: Theory, Methods, Applications”, pp.283, Irkutsk , Russia , September 25- October 4, 2009
  63. R.Enkhbat and A.Bayarbaatar, On the Maximum and Minimum Radius Problems over a Polyhedral Set, pp.46, 8-th International Conference on Operations Research, 25-29 February, 2008 Havana, Cuba.
  64. R.Enkhbat, Quasiconvex Programming, pp.162, 4-th International Conference on Generalized Solutions in Control Problems, pp.140, 23-28 June, 2008, Buriyat, Ulan-Ude, Russia.
  65. R.Enkhbat, S.Batbileg and Ya.Bazarsad, An Algorithm for Solving Indefinite Quadratic Programming, pp.163, 4-th International Conference on Generalized Solutions in Control Problems, pp.140, 23-28 June, 2008, Buriyat, Ulan-Ude, Russia.
  66. R.Vogel, D.Byambasuren and R.Enkhbat, Human Capital and Economics Growth: The Case of Mongolia, pp.29, 35th Annual Meeting of Academy of Economics and Finance, February 14-16, 2008 , Nashville, Tennessee, USA.
  67. I.Tseveendorj, C.Roucairol, Bertrand Le Cun, Francois Galea, B.Barsbold and R.Enkhbat; A Complex Search Technique For Solving the Quadratic Assignment Problem, 4-th International Conference on Generalized Solutions in Control Problems, pp.140, 23-28 June, 2008, Buriyat, Ulan-Ude, Russia.
  68. R.Enkhbat, Convex and Concave Optimal Control Problems, Proceedings of the Korean Society for Industrial and Applied Mathematics, pp.21, Vol.4, No.3, May 30-31, 2008
  69. R.Enkhbat and J.Guddat, Computational Algorithms for Solving Some Optimization Problems in Microeconomics, pp.104, 9-th International Conference “Approximation and Optimization in the Carbbean, March 2-7, 2008, San-Andres, Colombia.
  70. O.Vasilieva and R.Enkhbat , "Can Parametric Optimization be Helpful for Solving Optimal Control Problems", 9-th International Conference on Parametric Optimization and Related Topics, PAROPT-9, Cienfuegos, Cuba, March 26-30, 2007.
  71. Gompil.B, Barsbold.B, R.Enkhbat and Hwang Won Joo, Nonconcave Network Utility Maximization Using Global Optimization Techniques, The Second International Conference on Optimization and Optimal Control, pp. 53, Ulaanbaatar , Mongolia , July 17-20, 2007.
  72. R.Enkhbat and J.Guddat, Parametric Multiobjective Optimization, The Second International Conference on Complementrity, Duality and Global Optimization in Science and Engineering, pp. 37, February 28 - March 2, 2007, University of Florida, USA
  73. Mend–Amar M., B.Barsbold, R.Enkhbat and Fukushima M., A Global Optimization Approach for Solving Varational Inequality Problems, The Second International Conference on Optimization and Optimal Control, pp. 127, Ulaanbaatar, Mongolia, July 17-20, 2007.
  74. D. Byambasuren, R.Enkhbat and Richard Vogel, Endogenuos Growth Theory and its Applications, The Second International Conference on Optimization and Optimal Control, pp.151, Ulaanbaatar, Mongolia, July 17-20, 2007.
  75. R.Enkhbat and Ya.Bazarsad, General Quadratic Programming and its Applications in Response Surface Analysis, The Second International Conference on Optimization and Optimal Control, pp.117, Ulaanbaatar , Mongolia , July 17-20, 2007.
  76. Ch.Dagvadorj, R.Enkhbat and N.Tungalag, A Mathematical Model of Pension Insurance, Proceedings of International Conference on Transition Economy, pp.177-191, Ulaanbaatar , Mongolia , May 24-25, 2007.
  77. R.Enkhbat and J.Guddat, Parametric Multiobjective Optimization, The Second International Conference on Complementarity, Duality and Global Optimization in Science and Engineering, February 28-March 02, 2007, University of Florida, USA.
  78. R.Enkhbat, A Global Method for Solving the Quadratic Assignment Problem, Short Communications Abstracts, International Congress of Mathematicians, Madrid, 20-30 August 2006, p.532.
  79. R.Enkhbat and J.Guddat, A Note on Inverse Parametric Linear Programming, Abstracts of the International Conference on Mathematics, Ulaanbaatar, 25-27 July 2006, p.16.
  80. R.Enkhbat,  Computational algorithms for solving the utility maximization problem, 8-th International Conference on Parametric Optimization and Related Topics, Egypt, Nov.27-Dec.1, 2005
  81. R.Enkhbat,  On the  Variational Inequality  Problems,  2-th Meeting of the  Mongolian Mathematical Society, Ulaanbaatar, Mongolia,  2005.
  82. B.Barsbold, Ch.Altannar and  R.Enkhbat, A Global Method for Solving the Convex Quadratic Maximization Problem, Proceedings of 13-th Baikal International School-Seminar “Optimization Methods and Their Applications”, July 2-8, 2005,  Irkutsk, Russia, pp.287-291.
  83. R.Enkhbat,  On the Minimization of a Strongly Convex Function, Proceedings of 13-th Baikal International School-Seminar “Optimization Methods and Their Applications”, July 2-8, 2005,  Irkutsk, Russia, pp.307-312.
  84. R.Enkhbat,  On the Convex and Nonconvex Optimal Control Problems,  International Conference on “Partial Differential Equations in Mechanics and Stochastic”, Mongolian University of Science and Technology, June 13-15, 2005, Ulaanbaatar, Mongolia.
  85. R.Enkhbat, Linear Parametric Programming, 1-th Meeting of the Mongolian Mathematical Society, Ulaanbaatar,  2004.
  86. R.Enkhbat and T.Ibaraki, Analysis of Response Surface Problems using Quadratic Programming, 18-th International Symposium on Mathematical Programming, August 18-22, 2003, Copenhagen, Denmark, pp. 101
  87. R.Enkhbat. On Some Theory, Methods and Algorithms for Concave Programming, International Conference on Optimization and Optimal Control, pp. 56, Ulaanbaatar, Mongolia, August 13-17, 2002
  88. R.Enkhbat. Global Optimization in Fractional Programming, Abstracts of Short Communications and Poster Sessions, International Congress of Mathematicians, Beijing, 20-28 August, 2002, pp .325.
  89. R.Enkhbat and M.Mend-Amar, Parametric Optimization in Optimal Control Problem, International Conference on Optimization and Optimal Control, August 13-17, 2002, Ulaanbaatar, Mongolia,pp 106
  90. R. Enkhbat, M.Mend-Amar and Ts.Javzandulam, A Global Search Algorithm for the Quadratic Assignment Problem, International Conference on Optimization and Optimal Control, August 13-17, 2002, Ulaanbaatar, Mongolia, pp 23.
  91. R.Enkhbat, S.Davaasuren and L.Nyamjargal, A Mathematical Model of Biotechnological Processing of Ore, Seminar of Ecience and Technolgy, October 3-5, 2001, pp.120, Erdenet, Mongolia,
  92. R.Enkhbat, On the Maximization and Minimization of Quasiconvex Function, The Second International Conference on Nonlinear Analysis and Convex Analysis, July 30-August 2, 2001, pp.48, Hirosaki, Japan
  93. R.Enkhbat, Modern General Equilibrium Theory, The First Simposium of Mongolian Students, August 29-31, 2002, pp.90, Mongolia.
  94.  S.Davaasuren and R.Enkhbat,  Application of Response Surface Analysis to Enriching Process of Poor Ore in Mining,  Russian and Mongolian Conference, Irkutsk, Russia, 10-13 December 2000, pp.17.
  95. R.Enkhbat, Global Optimization in Microeconomic Analysis, 17-th International Symposium on Mathematical Programming, August 7-11, 2000, Atlanta, USA, pp.32
  96. R.Enkhbat, Some Global Optimization Problems in Statistics, Sixth SIAM Conference on Optimization, May 10-12, 1999, Atlanta, Georgia, USA, pp. 98. 
  97. R.Enkhbat, Global Optimality Conditions for Some Class of Nonconvex Optimization Problems, Abstracts of Short Communications and Poster Sessions, International Congress of Mathematicians, Berlin, 18-27 August .1998, pp 340.
  98. Ya.Bazarsad, R.Enkhbat.  A Finite Method for Solving the Problems of Surface Design, Volume of absracts, “96 International Conference on Nonlinear Programming”. Beijing, China, (2-5 September 1996), pp.13-14, 1996.
  99. Ya. Bazarsad and R.Enkhbat, Optimization Approach to Design of Experiments, 10-th Seminar on Optimization and Applications, August 1995, Russia, Irkutsk, pp.24-25.
  100. R.Enkhbat, General Approach to Some Problems of a Design of Experiment, The Second Asian Mathematical Conference, October 17-20, 1995, Thailand, pp.31.
  101. R.Enkhbat, Application of Global Optimization Method Based on the Permissive Set to Design of Experiments, Short Communications Abstracts, International Congress of Mathematicians, Zurich, 3-11 August 1994, p.253.
  102. R.Enkhbat, C.Naranbat and D.Tsoodol. An Approach to the Solution of a Multiextremum Problem, volume of Abstracts, Seminar on Mathematical Programming and Applications, Russia, Ekatrenvurg, February 1993, pp.43-44.
  103. R.Enkhbat. An Algorithm for Solving an Optimal Control Problem, Volume of Abstracts, International Seminar on Global Optimization, Baikal, Irkutsk, August 1992, pp.97-98.
  104. A.S. Strekalovski and R.Enkhbat. To the Numerical Method for Finding a Global Maximum of Convex Function on an Arbitrary Set, Volume of Abstacts, International Seminar on Global Optimization, Baikal, Irkutsk, September 1989, pp.186-187.

Invited Talks
  1. Methods and Algorithms for Solving Optimization Problems in Industries, Irkutsk State University Russia (September, 1987)
  2. Global Optimization Approaches to the Theory of Design Experiment. Institute of Mathematics of Mongolian Academy Sciences (April, 1992)
  3. Global Optimization. Mongolian Technical University, Ulaanbaatar (October, 1993)
  4. Mathematical Modeling of Mining Processes. Mongolian Mining Institute, Ulaanbaatar (May, 1995)
  5. Global Optimization in Microeconomics. Institute of Economics of Mongolian Academy Sciences (September, 1995)
  6. Theory, Methods and Application of Global Optimization Problems. Ibaraki University, Department of Computer and Information Science, Japan (26 June, 1996)
  7. Theory, Methods and Application of Global Optimization Problems, Kyoto University, Department of Applied Mathematics and Physics, Japan (27 September, 1996)
  8. Theory of Extremum. Humboldt University, Institute of Pure Mathematics, Berlin (19 December, 1996)
  9. Global Optimization Algorithms for Solving Problems in the Theory of Design Experiment, Irkutsk Computer Center, Russia (November, 1997)
  10. A Finite Method for Solving the Linear Complementarity Problem, 1-th German-Mongolian Workshop on Pure and Applied Mathematics, Ulaanbaatar (7-13 July, 1997)
  11. Global Optimization Methods, Algorithms and Applications, Gurtin University of Technology, School of Mathematics and Statistics, Western Australia (20 March, 1998 )
  12. A Method for Solving the General Quadratic Programming Problem, International Seminar-School of Interdisciplinary Natural Sciences Problems, Terelj, Mongolia (10-14 August, 1998)
  13. Global Optimization Methods, Algorithms and Applications, Department of Mathematics and Statistics, University of Massachusetts, USA (7 March, 2000)
  14. Recent Advances in Concave Programming, Department of Information Science and Systems Engineering, Konan University (September 26, 2001)
  15. On the Maximization and Minimization of a Quasiconvex Function, Department of Mechanical and System Engineering, Kyoto Institute of Technology (October 5, 2001)
  16. Maximization of Quasiconvex Function and its Applications, Institute of Mathematics of Humboldt University Berlin (June 10, 2003)
  17. Global Optimization and its Applications, Korea Institute for Advanced Study (KIAS, April 1, 2004)
  18. General Equilibrium Theory in Economics, Institute of Mathematics of Humboldt University- Berlin (October 10, 2004)
  19. Quasiconvex Programming, Center for Applied Optimization, University of Florida , USA(January, 2005)
  20. General Equilibrium Theory and Optimization Problems in Microeconomics, Department of Applied Mathematics and Physics, Kyoto University (October 17-28, 2005)
  21. On the Convex and Nonconvex Optimal Control Problems, Institute of Mathematics of Humboldt University- Berlin ( January, 2006)
  22. General Equilibrium Theory and Optimization Problems in Microeconomics, Department of Mathematics, Chemnitz University of Technology, Germany ( February, 2006)
  23. Parametric Optimization and its Applications, Department of Mathematics, University of Versalle, France ( March, 2006)
  24. Quasiconvex Programming, Department of Mathematics, University of Birmingham, UK ( November, 2006)
  25. Quasiconvex Programming, Department of Information and Communications Engineering, Inje University, Korea ( November , 2007)
  26. Quasiconvex Programming, Department of Mathematics, KAIST, Korea, May 29, 2008.
  27. Mongolian Economy(Overview), Department of Economics, Chemnitz University of Technology, 09 January, 2009.
  28. Theory, Methods and Applications of Concave Programming, Institute of Mathematics, Humboldt-University Berlin, 03 July, 2009.
  29. Parametric Optimization and its Applications in Economics, RWTH -Aachen University, 29 July,2009
  30. Parametric Optimization , Inje University, Korea ( April 15 , 2009).
  31. Game Theory Approach in Wireless Comminications, Inje University, Korea, November 10, 2009.
  32. Quasiconvex Programming, Department of Mathematics, University of Littoral, France, May 12, 2010.
  33. Global Optimization Approach to Game Theory, University of Cali, Colombia, November 24, 2010.
  34. Optimal Control Problems in Wireless Comminications, Inje University, Korea, January 10, 2011.
  35. Quasiconvex Programming, University of Ballarat, Australia, September, 2011.
  36. Quasiconvex Programming, Curtin University, Australia, October, 2011.
  37. Generalized Nash Equilibrium, Inje University, Korea, October 22, 2012.
  38. Optimization Theory and Applications, Tsinghua University, Beijing, November 14, 2013.
  39. Semidefinite Quasiconvex Programming, University of Valenciennes, France, July, 2015.
  40. Fractional Programming, Institute of Dynamic System and Control, Irkutsk, October, 2015.
  41. Global Optimization Approach to Malfatti's Problem, Irkutsk State University, December 3, 2015.