Arithmetic Geometry

Date:
Dec
15
2025

Joint IAS/PU Arithmetic Geometry

Affine Schubert Varieties Are Splinters
Robert Cass
3:30pm|Simonyi 101 and Remote Access

Schubert varieties are known to be Frobenius split in positive characteristic by the work of Mehta and Ramanathan. More recently, Bhatt showed that the full flag variety for $GL_n$ is a splinter by entirely different methods. In this talk, we will...