Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4665173 | Advances in Mathematics | 2016 | 44 Pages |
Abstract
In this paper, we study extensions of graded affine Hecke algebra modules. In particular, based on an explicit projective resolution on graded affine Hecke algebra modules, we prove a duality result for Ext-groups. This duality result with an Ind-Res resolution gives an algebraic proof of the fact that all higher Ext-groups between a tempered module and a discrete series vanish.
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Physical Sciences and Engineering
Mathematics
Mathematics (General)
Authors
Kei Yuen Chan,