Closed orbits on partial flag varieties and double flag variety of finite type

Kensuke Kondo, Kyo Nishiyama, Hiroyuki Ochiai +1

Let $G$ be a connected reductive algebraic group over $ \C $. We denote by $K=(G^{\theta }{)}_0$ the identity component of the fixed points of an involutive automorphism $\theta$ of $ G…