1. AMS sectional meeting on “Vertex Algebra and Related Algebraic and Geometric Structures” at SUNY-Stony Brook. March, 2016
  2. Workshops on String field theory of the B-model and Homotopical methods in quantum field theory, Center for Geometry and Physics in Pohang, South Korea, Jan. 2016
  3. International Workshop : Mathematical Approach to Topological Phases in Spintronics, Tohoku University, Sendai, Japan, Oct. 2015
  4. Workshop on Algebra and its applications, Xi’an University, Xi’an, China, June 2015
  5. The 4th Tsinghua-Sanya International Mathematics Forum, Sanya, China, Dec. 2013
  6. Workshops on topological matters, Institute for Advanced Study at Tsinghua University, China,  June 2013
  7. XVII-th International Congress of Mathematical Physics 2012, in the session of  “Operator Algebras and Integrable Systems”, Aalborg, Denmark, August, 2012
  8. The 2nd Tsinghua-Sanya International Mathematics Forum, Sanya, China, Dec. 2011
  9. Conference on Categorical Structures in Quantum Geometry and Conformal Field Theories, University of Erlangen-Nürnberg, October, 2011
  10. AMS Eastern Sectional Meeting, Cornell University, USA, Sept. 2011.
  11. Conference on geometry and topology, Peking University, China, July, 2011
  12. Conference on Algebra, USTC, China, July, 2011
  13. Higher Structures in Topology and Geometry V, University of Hamburg, May, 2011
  14. Category in geometry and gauge theory, Chern Institute, China, August, 2010
  15. Conference on QFT and String theory, Zhejiang University, China, July 2010
  16. Workshop on operad and universal algebra, Chern Institute, China, May, 2010
  17. Conference on topological field theories, Northwestern University, May, 2009
  18. Workshop on tensor category and CFT, Oberwolfach, Germany, April 2007
  19. Lie symposium at Technische Universität Darmstadt, Germany, Jan. 2006
  20. Summer workshop on groups and algebras in M-theory, Rutgers University, USA, June 2005
  21. Workshop on Lie theory at UC, Santa Cruz, USA, May 2005
  22. AMS sectional meeting, SUNY, Binghamton, USA, Oct. 2003


  1. Co-chaired the session of “Conformal Field Theory” in the XXIX International Colloquium on Group-Theoretical Methods in Physics (GROUP29), Chern Institute, Nankai University, China, August, 2012
  2. Co-organizer of the workshop on Conformal Field Theory and Topological Orders, Beijing University, June, 2011
  3. Co-organizer of the workshop on Infinite-dimensional Lie algebras, VOA and related topics, Chern Institute, Nankai University, China, May, 2006