Article ID Journal Published Year Pages File Type
4665173 Advances in Mathematics 2016 44 Pages PDF
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.

Related Topics
Physical Sciences and Engineering Mathematics Mathematics (General)
Authors
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