Office: Room 1307, New Science Buildings, Tsinghua University

1. "Uncertain Programming: Models and Algorithms", Second National Youth Conference on Operations Research and Management, Zhengzhou, China, November 1997. (30-minute plenary talk)
2. "Stochastic Programming, Fuzzy Programming, Fuzzy Random Programming, Random Fuzzy Programming and Hybrid Intelligent Algorithms", First International Conference on Information, Fukuoka, Japan, October 2000. (30-minute plenary talk)
3. "Random Fuzzy Programming: Models and Algorithms", Third Asia-Pacific Conference on Industrial Engineering and Management Systems, Hong Kong, December 2000. (45-minute plenary talk)
4. "The Status and Developments of Uncertain Programming", Fourth National Youth Conference of Operations Research and Management, Huairou, China, October 2001. (45-minute plenary talk)
5. "Uncertain Programming: An Optimization Theory in Uncertain Environments", First Asia-Pacific Workshop on Intelligent Techniques for Industrial Engineering, Busan, Korea, December 2001. (90-minute plenary talk)
6. "Uncertainty Theory and Its Axiomatic Foundations", First Annual Conference on Uncertainty, Daqing, China, August 2003. (45-minute plenary talk)
7. "A Hybrid Intelligent Algorithm for Stochastic Multilevel Programming", Seventh Asia Pacific Symposium on Intelligent and Evolutionary Systems, Kitakyushu, Japan, November 2003. (40-minute plenary talk)
8. "Credibility Theory: Axiomatic Foundation of Fuzzy Set", Second Annual Conference on Uncertainty, Qinhuangdao, China, July 2004. (40-minute plenary talk)
9. "Credibility Theory and Fuzzy Programming", Third National Conference on Decision Science, Chengdu, China, May 12-16, 2005. (40-minute plenary talk)
10. "Credibility Theory: A New Branch of Mathematics", Third Annual Conference on Uncertainty, Nanjing, China, August 2005. (40-minute plenary talk)
11. "Foundation of Credibility Theory", First National Conference on Fuzzy Information and Engineering, Guangzhou, China, August 2005. (45-minute plenary talk)
12. "Credibility Theory and Fuzzy Optimization", Sixth National Conference on Scheduling, Shanghai, China, August 2005. (35-minute plenary talk)
13. "Credibility Theory: A New Branch of Mathematics", Sixth International Symposium on Advanced Intelligent Systems, Yeosu, Korea, September 2005. (40-minute invited talk)
14. "Credibility Theory: A New Branch of Mathematics that Studies the Behavior of Fuzzy Phenomena", Sixth International Conference on Intelligent Technologies, Thailand, December 2005. (60-minute plenary talk)
15. "Foundation of Credibility Theory", Tenth Symposium of Chinese Academy of Science and Engineering in Japan, Tokyo, Japan,October 2006. (30-minute plenary talk)
16. "Mathematical Foundation of Uncertainty Theory", Twelfth Annual Meeting in Mathematics, Chonburi, Thailand, May 2007. (35-minute plenary talk)
17. "Hybrid Variable: A New Tool to Describe Complex Uncertainty", Eighth International Conference on Fixed Point Theory and its Applications, Chiang Mai, Thailand, July 2007. (45-minute invited talk)
18. "Uncertainty Theory: Intension and Extension", Fifth Annual Conference on Uncertainty, Wuhan, China, August 2007. (40-minute plenary talk)
19. "Credibility Theory", First Intelligent Computing Conference, Lushan, China, August 2007. (45-minute plenary talk)
20. "How Many Types of Uncertainty Model We Have", International Workshop on Intelligent Logistics Systems, Busan, Korea, November, 2007. (50-minute plenary talk)
21. "How to Apply Credibility Theory to Industrial Engineering", Asia Conference on Intelligent Manufacturing & Logistics Systems, Kitakyushu, Japan, February 2008. (60-minute tutorial talk)
22. "Credibility Theory and Fuzzy Programming", Fourth International Conference on Intelligent Logistics Systems, Shanghai, China, August 2008. (30-minute tutorial talk)
23. "Foundation of Credibilistic Logic", Ninth International Conference on Intelligent Technologies, Samui, Thailand, October 2008. (60-minute plenary talk)
24. "Credibility Theory and Fuzzy Programming", 2008 Conference of Korean Institute of Industrial Engineers, Seoul, Korea, November 2008. (40-minute tutorial talk)
25. "Uncertainty Theory with Applications", Fourth International Congress on Logistics and Supply Chain Management Systems, Bangkok, Thailand, December 2008. (40-minute plenary talk)
26. "Uncertainty Theory", Third National Conference on Fuzzy Information and Engineering, Haikou, China, December 2008. (40-minute plenary talk)
27. "Uncertainty Theory", Third Intelligent Computing Conference, Jinan, China, May 2009. (45-minute plenary talk)
28. "Uncertainty Theory and Uncertain Programming", First World Congress on Global Optimization in Engineering and Sciences, Changsha, China, June 2009. (30-minute invited talk)
    
    Invited Talks at Institutions
    
    
29. "Metaheuristics for Large Scale Uncertain Programming Models", Chinese Academy of Sciences, November 2001.
30. "Models and Algorithms of Uncertain programming", Dongei University, Korea, December 2001.
31. "Uncertain Programming: Modelling, Algorithms and Applications", Sichuan University, China, April 2002.
32. "Operations Research", Nankai University, China, September 2003.
33. "Uncertainty Theory and Optimization", Beijing Institute of Technology, China, September 2003.
34. "How to Write Scientific Papers", Guilin University of Electronic Technology, China, October 2003.
35. "Credibility Theory: Axiomatic Foundation of Fuzzy Set", Nippon Union of Science and Technology, Japan, November 2003.
36. "Fuzzy Set Theory and its Axiomatic Foundation", Tokushima University, Japan, November 2003.
37. "Uncertainty Theory and Applications", Tianjin University, China, November 2003.
38. "Uncertainty Theory and Uncertain Programming", Hongkong University, December 2003,
39. "Uncertainty Theory and Uncertain Programming", Beijing University of Technology, China, March 2004.
40. "Uncertainty Theory and Uncertain Programming", Lanzhou Jiaotong University, China, March 2004.
41. "Operations Research and Management Science", Shandong Institute of Business and Technology, China, August 2004.
42. "Credibility Theory and Fuzzy Optimization", Waseda University, Japan, November 2004.
43. "Credibility Theory: Axiomatic Foundation of Fuzzy Set", Harbin Institute of Technology, China, Janurary 2005.
44. "Credibility Theory", Nanjing University of Science and Technology, China, May 2005.
45. "Credibility Theory: A New Branch of Mathematics", Chinese Academy of Sciences, China, July 2005.
46. "Introduction to Credibility Theory", Huanggang Normal University, China, October 2005.
47. "Credibility Theory", Wuhan University of Science and Technology, China, October 2005.
48. "Credibility Theory: An Axiomatic Approach", Wuhan University, China, October 2005.
49. "Uncertain Programming and its Applications", Nankai University, China, October 2005.
50. "Introduction to Credibility Theory", Tianjin University of Technology, China, October 2005.
51. "Credibility Theory and Further Research", Tianjin University, October 2005.
52. "Credibility Theory: A New Branch of Mathematics", Chiba University, Japan, November 2005.
53. "Uncertainty Theory and Uncertain Programming (21-hour lecture)", Sichuan University, China, Janurary 2006.
54. "Credibility Theory" and "Uncertain Programming", University of South Africa, May 2006.
55. "Introduction to Credibility Theory", University of Cape Town, South Africa, May 2006.
56. "Credibility Theory: A New Branch of Mathematics", Nankai University, China, May 2006.
57. "Introduction to Credibility Theory", Guilin University of Electronic Technology, China, June 2006.
58. "On Entropy of Fuzzy Variables", Chiba University, Japan, October 2006.
59. "Credibility Theory and Applications", National Taiwan University of Science and Technology, December 2006.
60. "Credibility Theory", Shandong University, China, March 2007.
61. "Uncertainty Theory", Shandong Normal University, China, March 2007.
62. "Credibility Theory", Beijing University of Technology, China, April 2007.
63. "Credibility Theory", Shaanxi Normal University, China, April 2007.
64. "Hybrid Variable: A New Tool to Describe Complex Uncertainty", Sichuan University, China, April 2007.
65. "Credibility Theory", Chongqing University, China, April, 2007.
66. "Uncertainty Theory: Intension and Extension", Huanggang Normal University, China, April 2007.
67. "Uncertainty Theory: Intension and Extension", Hebei University, China, September 2007.
68. "Credibility Theory", North China Electric Power University, China, September 2007.
69. "Fuzzy Processes", Huanggang Normal University, China, October 2007.
70. "New Financial Mathematics", National Chengchi University, Taipei, October 2007.
71. "Credibility Theory and Fuzzy Programming", Dongseo University, Korea, November 2007.
72. "Uncertainty Theory", Northeastern University, China, December 2007.
73. "Fuzzy Differential Equations", Chiba University, Japan, February 2008.
74. "Uncertainty Theory", Xinjiang University, China, March 2008.
75. "Uncertainty Theory", Hainan University, China, April 2008.
76. "Credibility Theory and Chance Theory", Henan University of Science and Technololy, China, April 2008.
77. "Probability Theory and Credibility Theory", Luoyang Normal University, China, April 2008.
78. "Credibility Theory with Application to Finance", Henan University of Finance and Economics, China, April 2008.
79. "Uncertainty Theory and Uncertain Programming (24-hour lecture)", Chongqing University, China, May 2008.
80. "Uncertainty Theory", Chongqing Normal University, China, May 2008.
81. "Credibility Theory", Shanghai Normal University, China, June 2008.
82. "Credibility Theory and Fuzzy Differential Equation", Donghua University, China, June 2008.
83. "Uncertain Programming", Tongji University, China, June 2008.
84. "Seven Problems in Uncertainty Theory", Hebei University, China, September 2008.
85. "Uncertainty Theory", Nanjing University of Aeronautics and Astronautics, China, October 2008.
86. "Uncertainty Theory", Nanjing University of Science and Technology, China, October 2008.
87. "Uncertainty Theory and Uncertain Logic", Liaocheng University, China, October 2008.
88. "Uncertainty Theory", Chungbuk National University, Korea, November 2008.
89. "Uncertainty Theory", Wuhan University, China, November 2008.
90. "Uncertainty Theory", Huanggang Normal University, China, November 2008.
91. "Uncertainty Theory", Northeastern University, China, December 2008.
92. "Uncertainty Theory", Dezhou University, China, March 2009.
93. "Uncertainty Theory", Yunnan Normal University, China, March 2009.
94. "Uncertainty Theory and Finance", Anhui University of Technology and Science, China, April 2009.
95. "Some Research Problems in Uncertainty Theory", Huanggang Normal University, China, April 2009.
96. "Uncertainty Theory", Tianjin University, China, May 2009.
97. "Uncertainty Theory", Beijing University of Technology, China, May 2009.
98. "Uncertainty Theory and Uncertain Programming (18-hour lecture)", Sichuan University, China, May 2009.