Homology of the Steinberg variety and Weyl group coinvariants
J.M. Douglass
G. Röhrle
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Abstract
Let be a complex, connected, reductive algebraic group with Weyl group and Steinberg variety . We show that the graded Borel-Moore homology of is isomorphic to the smash product of the coinvariant algebra of and the group algebra of .
Cite this article
J.M. Douglass, G. Röhrle, Homology of the Steinberg variety and Weyl group coinvariants. Doc. Math. 14 (2009), pp. 339–357
DOI 10.4171/DM/275