Alladi Ramakrishnan Hall

Automorphism group of a smooth Schubert variety

Senthamarai Kannan

CMI

Given a simple, simple laced adjoint group $G$ over C, we prove a necessary and sufficient condition for the connected component of identity of Aut(Schubert variety) to be a parabolic subgroup of G, in terms of a GIT property for a left action of maximal torus on G/P.