Conferences

Co-organizing

2019/08/08-09， Introduction to Hyperplane Arrangements, 2019 Summer International Symposium on Big-Data, Cybersecurity and IoT, Hokkaido University, Japan
2019/05/17, On the Falk invariant of Shi-arrangement, 幾何学コロキウム, Hokkaido University, Japan
2019/05/13/--15, 2019海外青年学者论坛，Southeast University, Nanjing, China
2019/05/10--13, Xinghai Forum, Harbin Engineering University, China
2019/03/10--22 , CIMPA School on Hyperplane Arrangements, VAST, Hanoi, Vietnam.
On the Falk invariant of Shi-arrangement On hyperplane arrangements, configuration spaces and related topics, Hokkaido University, Sapporo, Japan, Febuary 20 - 22, 2019
On the Falk Invariant of Signed Graphic Arrangements, poster session, PISA-HOKKAIDO-ROMA2 Summer School on Mathematics and Its Applications 2018
On the Falk Invariant of Signed Graphic Arrangements, poster session, Hokkaido University Exchange Day held at Zhejiang University; (2018, 3)
On the Falk Invariant of Signed Graphic Arrangements, poster session, 釜山大-北大ジョイントシンポジウム/ PNU-HU Joint Symposium (2017, 12)
On the Falk Invariant of Signed Graphic Arrangements, poster session, 5th Franco-Japanese-Vietnamese symposium on singularities, poster session; (2017, 11)