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29 March 2024
 
  » arxiv » math/0610839

 Article overview


Alcove walks and nearby cycles on affine flag manifolds
Ulrich Goertz ;
Date 27 Oct 2006
Subject Representation Theory; Algebraic Geometry
AbstractUsing Ram’s theory of alcove walks, we give a proof of the Bernstein presentation of the affine Hecke algebra. The method works also in the case of unequal parameters. We also discuss how these results help in studying sheaves of nearby cycles on affine flag manifolds.
Source arXiv, math/0610839
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