• Prof. Gerard Besson, University Grenoble-Alpes, France

Prof. Gérard Besson is a world leading figure in Riemannian geometry. He has important contributions in the study of geometry and topology of 3-manifolds. The topics of his works include Ricci flows, topological entropy, classification of open 3-manifolds, rigidity problem, Thurston’s geometrization program…. 

Prof. Besson is willing to stay in Hanoi beyond the workshop to give a series of lectures on the themes of his research.

Email: g.besson@univ-grenoble-alpes.fr

Website: https://www-fourier.ujf-grenoble.fr/~besson/

• Prof. Chih-Wei Chen, National Sun Yat-sen University, Taiwan

Chih-Wei Chen is a Taiwanese mathematician and professor at the National Sun Yat-sen University. He obtained his Ph.D. under the supervision of Gerard Beson and is a Taiwanese mathematician and professor at the National Sun Yat-sen University. He obtained his Ph.D. under the supervision of and at National Taiwan University.  His earlier research focused mainly on Ricci flow and Ricci solitons. Since 2019, his interests have expanded to broader geometric and analytic problems on manifolds, including topics in geometric analysis and differential geometry. He has contributed to the study of geometric flows, curvature problems, and global analysis on manifolds through a series of research publications and collaborations.

E-mail: BabbageTW@gmail.com

• Dr. Ha Tuan Dung, Hanoi Pedagogical University 2, Vietnam

Ha Tuan Dung is a Vietnamese mathematician and lecturer at Hanoi Pedagogical University 2. He obtained his M.Sc. from National Tsing Hua University, Taiwan, and completed his Ph.D. at Vietnam National University, Hanoi, in 2025. In Fall, 2026, he will join the SIMIS Institute in Shanghai as a postdoctoral researcher.

His research interests focus on geometric analysis and nonlinear partial differential equations, especially gradient estimates, weighted manifolds, and geometric flows. He has received several prestigious awards and fellowships, including the IMU Breakout Graduate Fellowship, VINIF Doctoral Scholarship.

• Dr. Tran The Dung, VNU-University of Sciences, Hanoi, Vietnam

Tran The Dung is a Vietnamese mathematician specializing in geometric analysis and partial differential equations. He received his B.Sc. and M.Sc. in Mathematics from VNU University of Science, Hanoi, and earned his Ph.D. in 2022 from National Taiwan Normal University. His research focuses on geometric flows, geometric analysis, and nonlinear PDEs. He previously held postdoctoral positions at National Taiwan Normal University and currently works at the Vietnam Institute for Advanced Study in Mathematics (VIASM) as a postdoctoral fellowiship.

• Dr. Doanh Pham, Peking University, China

Doanh Pham is a Vietnamese mathematician specializing in geometric analysis and nonlinear partial differential equations. He earned his Ph.D. in Mathematics in 2023 from Rutgers University under the supervision of Yan Yan Li. His research focuses on geometric PDEs, conformal geometry, and related problems in differential geometry and analysis. He is currently a postdoctoral researcher at the Beijing Institute of Mathematical Sciences and Applications (BICMS), working under the mentorship of Gang Tian.

• Prof. Han Fei, National University of Singapore

Han Fei is a professor at the National University of Singapore and currently serves as Deputy Head of the Department of Mathematics. He obtained his Ph.D. in 2008 from the University of California, Berkeley. His research interests include differential geometry, topology, and mathematical physics, particularly geometric structures arising from gauge theory and string theory. He has made important contributions to symplectic geometry, calibrated geometry, and geometric analysis. Professor Han is internationally recognized for his work connecting geometry and mathematical physics.

Email: mathanf@nus.edu.sg  

• Dr. Nguyen Van Hoang, FPT University, Vietnam

Nguyen Van Hoang is a Vietnamese mathematician currently serving as lecturer and researcher at FPT University. He obtained his Ph.D. in Mathematics in 2013 from Sorbonne University. He previously held postdoctoral positions at Tel Aviv University under and at Université Toulouse III – Paul Sabatier under . He was also an IM–Simons Postdoctoral Fellow at the Institute of Mathematics, Vietnam Academy of Science and Technology.

His research interests include geometric and functional inequalities, optimal transport, convex geometry, probability theory, and geometric analysis, with particular emphasis on Brascamp–Lieb inequalities, log-Sobolev inequalities, and applications of convexity methods in analysis and geometry.

• Prof. Tran Thanh Hung, Texas Tech University, USA

Tran Thanh Hung is an Associate Professor at Texas Tech University. He obtained his Ph.D. from Cornell University under the supervision of Xiaodong Cao. He previously worked as a Visiting Assistant Professor at the University of California, Irvine, where he collaborated with Rick Schoen. His research interests include geometric analysis, minimal surfaces, Einstein manifolds, Ricci flow and solitons, Harnack inequalities, and geometric learning, with applications to data science. He has also worked on problems in geometric PDEs and curvature flows.

Email: hung.tran@ttu.edu

• Dr. Nguyen Ngoc Khanh, Academy of Mathematics and Systems Science, China

Nguyen Ngoc Khanh is a Vietnamese mathematician currently working as a postdoctoral researcher at the Academy of Mathematics and Systems Science, Chinese Academy of Sciences. He obtained his Ph.D. from the University of Jyväskylä in 2021 under the supervision of Pekka Koskela. He previously served as a postdoctoral researcher at the University of Jyväskylä and as a lecturer at Vietnam National University, Hanoi. His research interests focus on analysis on metric spaces, Sobolev functions, functions of bounded variation, and variational minimizers.

Email: khanhnguyen@amss.ac.cn

• Prof. Keita Kunikawa, Tokushima University, Japan

Keita Kunikawa is a Japanese mathematician specializing in geometric analysis and differential geometry. He is currently an Associate Professor at the Tokushima University, where his research focuses on geometric flows, Ricci flow, mean curvature flow, and geometric PDEs on smooth metric measure spaces. He received his Ph.D. in Mathematics from Tohoku University in 2015. He previously held research positions at Nagoya University, the Max Planck Institute for Mathematics in the Sciences, Tohoku University, and Utsunomiya University. His recent work studies gradient estimates, heat kernel estimates, Liouville theorems, and singularity analysis for geometric flows..

Email: kunikawa@tokushima-u.ac.jp

• Prof. Chuxiao Liu, Guangxi University, China

Chuxiao Liu is an Assistant Professor at the Guangxi University, working in the College of Mathematics and Information Science. His research interests lie in differential geometry and mathematical physics, with a particular focus on geometric structures arising in modern mathematical analysis and theoretical physics.

• Dr. Duong Ngoc Son, Phenikaa University, Vietnam

Duong Ngoc Son is a Vietnamese mathematician currently serving as a lecturer at Phenikaa University. He obtained his Ph.D. in 2012 from the University of California, San Diego, and completed his Habilitation at the University of Vienna in 2020. He previously held research and teaching positions at the University of Vienna, Texas A&M University at Qatar, and the University of California, Irvine. His research interests focus on several complex variables and CR geometry, particularly CR mappings and the geometry of CR manifolds.

• Dr. Nguyen Tien Tai, VNU-University of Sciences, Hanoi, Vietnam

Nguyen Tien Tai is a Vietnamese mathematician and lecturer at the VNU University of Science. He obtained his B.Sc. degree in Mathematics from VNU University of Science and completed his M.Sc. and Ph.D. in Mathematics at Université Sorbonne Paris Nord. His doctoral research focused on nonlinear instabilities in partial differential equation systems arising in fluid mechanics and biological propagation models. His research interests include partial differential equations, fluid mechanics, and mathematical modeling.

• Prof. Xiaoning Wu, Academy of Mathematics and Systems Science, China

Xiaoning Wu is a Professor at the Institute of Mathematics, Chinese Academy of Sciences. His research interests lie in mathematical relativity, particularly the asymptotic structure of space-time, black hole formation, and the initial-boundary value problem for Einstein equations. His work focuses on geometric analysis and nonlinear partial differential equations arising in general relativity, contributing to the mathematical understanding of space-time singularities and gravitational phenomena.

• Prof. Xiao Zhang, Academy of Mathematics and Systems Science, China

Xiao Zhang is a Chinese mathematician specializing in Riemannian geometry, geometric analysis, and mathematical relativity. He is currently affiliated with the Guangxi Center for Mathematical Research and the Chinese Academy of Sciences. He obtained his Ph.D. from the Chinese University of Hong Kong in 1996. His research focuses on the positive energy theorem, Dirac operators, spin geometry, and mathematical problems arising from general relativity. He has made important contributions to the study of asymptotically anti-de Sitter spacetimes, eigenvalue estimates for Dirac operators, and rigidity problems in geometric analysis. His work connects differential geometry, global analysis, and mathematical physics, particularly through the interaction between scalar curvature, spin geometry, and Einstein’s equation

Email: xzhang@amss.ac.cn

• Prof. Xujun Zhang, Guangxi University, China

Xujun Zhang is a Chinese mathematician and Assistant Professor at the Guangxi University, affiliated with the Guangxi Center for Mathematical Research and the School of Mathematics and Information Science. His research area is differential geometry. He joined Guangxi University in 2024 and is actively involved in research activities at the Guangxi Center for Mathematical Research, including advanced workshops and winter schools in geometry and analysis. His work contributes to the development of geometric analysis and differential geometry at Guangxi University, one of the major mathematical research centers in southern China.