Singularities of Schubert varieties, tangent cones and Bruhat graphs
Singularities of Schubert varieties, tangent cones and Bruhat graphs
Let G be a semi-simple algebraic group without G 2 -factors over an algebraically closed field k of characteristic p ≠ 2, 3, and suppose B is a Borel subgroup, T ⊂ B is a maximal torus, and P is a parabolic in G containing B . In an earlier …