2022
July, Research trip, host, Sanghyun Kim, KIAS, Seoul, Korea.
Oct, Research trip, host, Nhat Minh Doan, Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam
December, Research trip, host, Sanghyun Kim, KIAS, Seoul, Korea.
2020
January, Frontier of Analysis and Geometry of Teichmuller Spaces , TSIMF, Sanya, China.
February, Research trip, host, Hugo Parlier, University of Luxembourg, Luxembourg.
Due to the restrictions arising from the Covid-19 situation, future trips are on hold until further notice.
2019
January, Research trip (Bernoulli Brainstorm), Bernoulli Centre in EPFL, Lausanne, Switzerland.
February, Research trip, host, Sadayoshi Kojima, Waseda University, Japan.
April, Research trip, host Ying Zhang and Weixu Su, Suzhou University and Fudan University, China.
June, Summer school on Complex Geometry, Hanoi, Vietnam
June, Special session, Complex Geometry and Dynamical systems, Vietnam-AMS meeting
July, Combinatorial and algebraic aspects of geometric structures, Chiang Mai, Thailand
September, Research trip, KIAS, Korea (conference organizer).
Oct 2019, Workshop "Topology and computer", Osaka, Japan
2018
March, Computational problems in low-dimensional topology, OIST, Okinawa, Japan
July, Representation varieties and geometric structures in low dimensions, Warwick, United Kingdom (workshop organizer).
July, Geometric and Asymptotic Group Theory with Applications, KIAS, Seoul, Korea.
August, Geodesics on Real hyperbolic manifolds, Connecticut, USA.
September, New trends in Teichmuller theory and mapping class groups, Oberwolfach, Germany.
November, 11th International Conference on Mathematics and Mathematics Education for Developing Countries, Vientiene, Laos.
December, Research trip, host Pradthan Jaipong, Chiang Mai University, Thailand.