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　　August 22, 2025, Yefeng Shen, an Associate Professor from the University of Oregon, was invited to give a talk. The title is "Quantum Spectrum and Gamma structure for standard flips". For more information, see the poster.

　　Yefeng Shen is an Associate Professor at the University of Oregon. His research interests focus on Mirror Symmetry, Gromov-Witten theory, Fan-Jarvis-Ruan-Witten theory, Integrable Systems, and the Number-Theoretic aspects of these theories. He has published several papers in internationally renowned journals such as J. Eur. Math. Soc., J. Reine Angew. Math., Mem. Amer. Math. Soc.，J. Differential Geom., Geom. Topol.

Center for Applied Mathematics, Tianjin University, No.92 Weijin Road, Tianjin 300072, P. R. China