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Extended Affine Weyl groups, the Baum-Connes correspondence and Langlands duality (1512.06662v2)
Published 21 Dec 2015 in math.KT, math.OA, and math.RT
Abstract: In this paper we consider the Baum-Connes correspondence for the affine and extended affine Weyl groups of a compact connected semisimple Lie group. We show that the Baum-Connes correspondence in this context arises from Langlands duality for the Lie group.
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