Some Conference Talks:
Sep. 14-20, 2025, Workshop on Theory and Computation in Mathematical Physics and Topology, Tianyuan Mathematics Research Center, Kunming, China.
Aug. 04-09, 2025, The 4th Australia-China-Japan-Singapore-US Index Theory Conference– Analysis and Geometry on Manifolds, National University of Singapore.
Jul. 07-11, 2025, Workshop on Homotopy Theory In memory of Fred Cohen, The Fields Institute, Toronto, Canada.
Jun. 20-21, 2025, GBU Conference on Algebraic Topology, Great Bay University, Dongguan, China.
Oct. 25-28, 2024, BIMSA Workshop on Digraph Topology and GLMY Theory, Beijing International Center for Mathematical Research, Peking University, Beijing, China.
Jul. 24-28, 2023, International Workshop on Algebraic Topology (IWoAT 2023), Beijing International Center for Mathematical Research, Peking University, Beijing, China.
Jun. 19-23, 2023, Advances in Homotopy Theory IV, Yanqi Lake Beijing Institute of Mathematical Sciences and Applications, Beijing, China
May 12-15, 2023, Workshop on Topology and its applications, Nankai University, Tianjin, China
May 01, 2023, Workshop on Algebraic Topology, Differential Geometry with applications, National University of Singapore, Singapore
Sep 09, 2022, Mini workshop on geometry, Tsinghua University, Beijing, China.
Jul. 31-Aug. 05, 2022, The 9th International Congress of Chinese Mathematicians, Southeast University, Nanjing, China
May. 14-15, 2022, The 3rd Xi'an geometric topology workshop, Xi'an Jiaotong University, Xi'an, China.
Jan. 14, 2022, Annual summary meeting of Institute of Mathematics, AMSS, Beijing, China.
Sep. 15-17, 2021, The $1$-th Advances in Homotopy Theory (online), University of Southampton, Southampton, UK.
Jul. 16-20, 2021, The $7$-th Young Topologists Forum, Northeast Normal University, Jilin, China.
Dec. 20, 2020, Annual summary meeting of Institute of Mathematics, AMSS, Beijing, China.
Dec. 14-18, 2020, The 8th East Asian Conference on Algebraic Topology (EACAT 8), Vietnam National University, Hanoi, Vietnam; change to be held online.
Dec. 5-6, 2020, Young Mathematician Forum, Capital Normal University, Beijing, China.
Feb. 7, 2020, The 5th ``Kyoto Top Global University'' (KTGU) Mathematics Workshop for Young Researchers, Kyoto University, Kyoto, Japan
Jan. 03-08, 2020, Conference on Algebraic Topology and Applied Topology, Center of Mathematical Sciences at Chongqing University of Technology, Chongqing, China.
Dec. 6-7, 2019, Beijing Postdoc Workshop, Morningside Center, AMSS, Beijing, China.
Nov. 8-13, 2019, The 3nd Pan Pacific International Conference on Topology and Applications (3ndPPICTA), Sichuan University, Chengdu, China.
Oct. 18-20, 2019, 1st 3J Topology Seminar, Hebei Normal University, Hebei, China.
June 17-21, 2019, Index Theory, Duality and Related Fields--An America-Australia-China-Japan-Singapore Index Theory Meeting ($1^{st}$), Chern Institute of Mathematics, Tianjin, China.
May 03-05, 2019, The $6$-th Young Topologists Forum, Beijing Normal University, Beijing, China.
Nov. 09-11, 2018, 2018 Tianjin Workshop on Algebraic and Geometric Topology, Nankai University, Tianjin, China.
Aug. 27-30, 2018, Mapping Spaces in Algebraic Topology on the occasion of Norio Iwase's 60th birthday, Kyoto University, Kyoto, Japan.
Aug. 09-13, 2018, Workshop on Algebraic Topology and Geometric Topology, Dalian University of Technology, Dalian, China.
Aug. 1-7, 2018, The 5th China-Russia Workshop on Knot Theory and Related Topics, Dalian University of Technology, Dalian, China.
Jun. 11-14, 2018, Joint International Meeting of Chinese Mathematical Society and American Mathematical Society, Fudan University, CAS-AMS, Shanghai, China.
Jun. 2-4, 2018, $5$th Chinese Young Topologists Forum 2018, South China Normal University, Guangzhou, China
May 24-Jun. 1, 2018, International Conference ``Algebraic Topology, Combinatorics, and Mathematical Physics'' on occasion of Victor Buchstaber's $75$th birthday, and International Seminar on Toric Topology and Homotopy Theory for Young Researchers, Steklov Mathematical Institute and Skolkovo Institute of Science and Technology, Moscow, Russia.
Jan. 22-25, 2018, 2017 Joint Annual Topology Workshop of Fudan and Nankai University, Fudan University, Shanghai, China.
Dec. 1-5, 2017, 7th East Asian Conference on Algebraic Topology (EACAT), Indian Institute of Science Education and Research (IISER) Mohali, Mohali, India.
Nov. 13-17, 2017, The 2nd Pan Pacific International Conference on Topology and Applications (2ndPPICTA), Pusan National University, Pusan, Korea.
Jul. 3-7, 2017, Young Topologists Meeting 2017, a Marcus Wallenberg Symposium, Stockholm University and KTH, Stockholm, Sweden.
Jun. 18-23, 2017, Workshop on Algebraic and Geometric Topology, Nankai University, Tianjin, China.
Oct. 30-Nov. 1, 2015, 2015 International Workshop on Mathematical Sciences in Dalian, Dalian University of Technology, Dalian, China.
Some Seminar Talks:
Dec. 10, 2025, Pure Mathematics Colloquium, University of Southampton, UK
Nov. 13, 2025, BIMSA Lecture, BIMSA
Oct. 16, 2025, BIMSA Lecture, BIMSA
Jul. 04, 2024, University Lecture, East China Normal University, Shanghai, China.
Apr. 15, 2024, Mathematics Seminar, Tongji University, Shanghai, China.
Apr. 15, 2024, Mathematics Colloquium, Fudan University, Shanghai, China.
May 08, 2023, Topology Seminar at BIMSA, Yanqi Lake Beijing Institute of Mathematical Sciences and Applications, Beijing, China.
Mar 07, 2023, YMSC Topology Seminar, Yau Mathematical Sciences Center, Beijing, China.
Feb 08, 2023, Geometry, Topology \& Physics (GTP) Seminar at NYU AD, Abu Dhabi, United Arab Emirates.
Oct 31, 2022, Topology Seminar at Southern University of Science and Technology, Shenzhen, China.
Sep. 05, 2022, Lunch Talk at Institute of Mathematics, AMSS, Beijing, China.
Nov 1, 2021, Topology Seminar at Southern University of Science and Technology, Shenzhen, China.
Oct 22, 2021, Kyoto-Kyushu-Shinshu Joint Topology Seminar, Kyoto University, Kyoto, Japan.
May 27, 2020, Moscow-Beijing Topology Seminar, Yau Mathematical Sciences Center, Beijing, China.
Feb. 10, 2020, Algebraic Topology Seminar, Kyoto University, Kyoto, Japan.
Oct. 30, 2019, Moscow-Beijing Topology Seminar, Yau Mathematical Sciences Center, Beijing, China.
Jul 09, 2019, Topology Seminar at University of Southampton, Southampton, UK.
Aug. 24, 2018, Shinshu Topology Seminar, Shinshu University, Matsomoto, Japan.