3 problems

Vistoli's conjecture. If

Let $G$ be a reductive algebraic group with involution $\theta$, let $K=G^{\theta}_0$ be the identity component of the fixed-point group, and let $B\supset H$ be a $\theta$-stable…

Let $X=G/P$ be a cominuscule space, and let $v,w\in W^P$. Write the Mather class of the Schubert variety $X_w^P$ as … The local Euler obstruction coefficients $e_{w,v}$ are non-neg…