From April 12 to April 17, Prof. Ha, Jaemoon Lee, and Chaejoo Lee visited the Vietnam Academy of Science and Technology (VAST) in Hanoi. During their visit, they held discussions on ongoing research projects and explored ways to promote academic exchange between the mathematical communities of Korea and Vietnam.

As part of the visit, Prof. Ha delivered an overview lecture on collective dynamics, and Jaemoon Lee and Chaejoo Lee each presented a half-hour talk on their recent research.

We celebrated Prof. Ha’s birthday in the lab. We shared cake together and had a good conversation to mark the occasion.

To welcome spring, we took a group photo in front of the cherry blossoms at the main gate of Seoul National University.

Professor Ha gave an invited talk at the workshop “International Conference on PDEs-Fluid Dynamics and Kinetic Theories” which was held in The Hong Kong Polytechnic Univ. from March 29th to April 1, 2026.

From March 22 to March 29, Prof. Ha, Dr. Wang, and Jaemoon Lee visited the Yau Mathematical Sciences Center to continue their collaboration on collective dynamics. In particular, Prof. Ha gave two distinguished lectures (C.C. Lin Distinguished Lecture hosted by the Department of Mathematics, Tsinghua University) on March 25th and March 27th. Moreover, Dr. Wang and Jaemoon Lee also gave one-hour invited lectures at the Yau Mathematical Sciences Center.

The workshop named Collective Dynamics Day was held at SNU on 19 March 2026. Prof. Thieullen and several HYKE members gave talks. After the talks, we had further discussions on the topics presented.