Annals of Mathematics Studies, Issue 107 |
Contents
COMPUTATION OF LOCAL INTERSECTION COHOMOLOGY | 3 |
LOCAL INTERSECTION COHOMOLOGY WITH TWISTED | 30 |
GLOBAL INTERSECTION COHOMOLOGY WITH TWISTED | 58 |
Copyright | |
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acts Assume automorphism bijection character coefficient conjugacy classes containing Coxeter group CRUZ The University cuspidal representation cyclic group defined denote disjoint E₁ equal equivalence exists F-stable F₂ family F finite field Frobenius map function G-equivariant G₁ GF-modules group of type Hecke algebra hence homomorphism identity imbedding Ind GF integer intersection cohomology involution irreducible components irreducible Q[W]-module irreducible representations isomorphism l(w₁ left cell lemma Levi subgroup line bundle linear locally constant M₁ Math minimal length module multiplicities notations pairing polynomial proof PROPOSITION proved R(GF Rad(Y Rayx representations of GF resp respect restriction satisfies semisimple sentation sheaf special representation standard parabolic subgroup subset subspace symbol of rank tion trivial two-sided cell type Eg unipotent representations unique University Library vector W-module W₁ Weyl group WL,n WL,n)ex Wz(s Z₁ zero ZL,n Ερ