Professional
activities:
l Plenary lecture at Eleventh
Cross-strait Conference on Graph Theory and Combinatorics,
Shandong University, August 20-22, 2021.
l Plenary lecture at Bannai-Ito Theory Workshop, Zhejiang University, November
24-26, 2017.
l Special invited
lecture at Ninth Cross-strait Conference on Graph
Theory and Combinatorics, Fuzhou University, November 2-5, 2017.
l Workshop on Graph Theory and
Combinatorial Network, Beijing
Jiaotong University, June 2-4, 2017.
l Invited lecture at
Workshop on Group Action and Combinatorics, Nankai University, November 11-13, 2016.
l Workshop on Algebraic Combinatorics ,
Anhui University, October 28-30, 2016.
l The Second
Combinatorial Mathematics Symposium, Peking University, November 6-8, 2015.
l Invited lecture at
Shanghai Conference on Algebraic Combinatorics,
Shanghai Jiaotong University, August 17-22, 2012.
l Invited lecture at Workshop on
Algebraic Combinatorics at Shanghai Jiao Tong University, Shanghai Jiaotong University, September 15-18, 2011.
l Invited lecture at
Beijing International Workshop on Group Actions on Combinatorial Structures,
Capital Normal University, August 21-27, 2011.
l Invited lecture at
International Conference on Groups, Graphs and networks, Beijing Jiaotong University, April 10-11, 2011.
l Invited lecture at Workshop on Algebraic Combinatorics
, Hebei Normal University, November 26-28, 2010.
l Invited lecture at The Second
International Workshop on Group Theory and Algebraic Combinatorics, June 12-21, 2008.
l Workshop on Algebraic Combinatorics, Beijing
Normal University, August 23-25, 2007.
l Visiting National Chiao Tung University, Taipei,
Taiwan, July 2007.
l Invited lecture at Fourth Cross-strait Conference on Graph Theory and Combinatorics, Taiwan University, Taipei, Taiwan, June 24-29, 2007.
l Seminar on Error-Correcting Pooling
Designs and Related Topics, Beijing Normal University, August 20-22,
2006.
l Seminar on Distance-Regular Graphs,
Beijing Normal University, November 21-23, 2005.
l Lecture at the
International Workshop on Group Theory and Algebraic Combinatorics,
Beijing, P.R. China, June, 2004.
l Invited lecture at the
Workshop on Algebra and Representation Theory, Beijing, P.R. China, November,
2003.
l Invited lecture at the
Com2MaC Conference on Association
Schemes, Codes and Designs, Pohang, Korea, July 2000.
l Visiting International Christian University, Tokyo,
Japan, June 2000.
l Invited lecture at the Japanese
17th Algebraic Combinatorics Symposium, Tsukuba, Japan,
June 2000.
l Colloquium lecture at
the International Conference on Graph Theory and it applications, Nanjing, P.R.
China, May 2000.
l Colloquium lecture at
the International Conference on Combinatorics and
their Applications, Tianjin, P.R. China, June 1996.