3. Workshop on Advances in Continuous Optimization 2024, RIKEN, Tokyo, Japan, November 25-26, 2024. (Invited speaker)
2. 2024 Optimization Workshop, National Taiwan Normal University, Taipei, Taiwan, August 19, 2024. (Invited speaker)
1. The 9th Vietnam Mathematical Congress, Telecommunications University, Nha Trang, Vietnam, August 14-18, 2018.