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　　October 8, 2026, Panpan Ren, an Assistant Professor from the City University of Hong Kong, was invited to give a talk. The title is "Stochastic intrinsic gradient flows on the Wasserstein space". For more information, see the poster.

　　Panpan Ren is currently an Assistant Professor in the Department of Mathematics at City University of Hong Kong. She received her Ph.D. from Swansea University, UK, in 2020 under the supervision of Professor Jiang-Lun Wu. Her doctoral thesis focused on the quantitative and qualitative analysis of McKean?Vlasov stochastic differential equations. Prior to this, she conducted visiting research in the Department of Mathematics at the University of Oxford under the supervision of Professor Zhongmin Qian. Before joining City University of Hong Kong, she was a Humboldt Research Fellow at the University of Bonn and the University of Kaiserslautern in Germany. Her research interests lie in stochastic analysis and its applications, with particular focus on distribution-dependent stochastic differential equations and nonlinear partial differential equations, measure-valued diffusion processes on Riemannian manifolds, calculus on measure functionals, functional inequalities and Dirichlet form theory, and mathematical finance. She has published more than 30 research papers in leading international journals, including Probab. Theory Relat. Fields, SIAM J. Math. Anal., J. Differential Equations, Bernoulli, Ann. Appl. Probab., and J. Funct. Anal. She is also the co-author, together with Professor Feng-Yu Wang, of the monograph Distribution Dependent Stochastic Differential Equations (World Scientific, 2024). She has served as Principal Investigator of a Young Scientists Fund project supported by the National Natural Science Foundation of China (NSFC) and an Early Career Scheme project supported by the Research Grants Council (RGC) of Hong Kong, and has participated in joint research projects funded by the NSFC and the RGC. She received the 2025 RGC Early Career Award and the Alexander von Humboldt Research Fellowship.

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