Time：November 13, Wednesday, 16:00-17:00

Venue: Lecture Hall

Title: Geometry of affine Springer fibers and generalizations

Speaker: Jingren Chi 迟敬人 (Chinese Academy of Sciences)

Abstract: Affine Springer fibers are analogues of Springer fibers for the loop Lie algebras of reductive groups. They were first studied by Kazhdan and Lusztig and they have played important roles in various problems from geometric representation theory and automorphic representation theory. In this talk I will review the basic geometric properties of affine Springer fibers and report on recent work on some of their generalizations, including the group version and the mixed characteristic analogue.