2 papers
math.RT2026
Tangent spaces of spherical Schubert varieties and counterexamples to the reducedness conjecture
Marc Besson, Jiuzu Hong, Huanhuan Yu
Given a simply-connected simple algebraic group , we determine the tangent space of any Finkelberg-MirkoviÄ Schubert scheme at the base point of the affine Grassmannian of .…
math.RT2024
Beilinson-Drinfeld Schubert varieties of parahoric group schemes and twisted global Demazure modules
Jiuzu Hong, Huanhuan Yu
Let be a parahoric Bruhat-Tits group schemes arising from a -curve and a certain -action on a simple algebraic group for some finite cyclic group …