**Meetings:**

(1) Loops, Strings and Moduli Spaces, Chern Inst of Math, Nankai University, Tianjin, China, Aug 03-07, 2009.

(2) Workshop on Topological Aspects of Quantum Field Theories, Inst for Mathematical Sciences, National University of Singapore, Jan 14-18, 2013.

(3) Workshop on Positive Curvature and Index Theory, Inst for Mathematical Sciences, National University of Singapore, Nov 17-21, 2014.

(4) Workshop on Loop Spaces, Supersymmetry and Index theory, Chern Inst of Math, Nankai University, Tianjin, China, Jul 17-21, 2017.

(5) String and M-Theory: The New Geometry of the 21st Century, Inst for Mathematical Sciences, National University of Singapore, Dec 10-14, 2018.

(6) The first Australia-China-Japan-Singapore-US Conference on Index Theory–“Index theory, Duality and Related Fields”, Chern Inst of Math, Nankai University, Tianjin, China, June 17-21, 2019.

(7) Conference on Algebraic Topology and Applied Topology, Mathematical Science Research Center, Chongqing University of Technology, Jan 04-08, 2020.