Abstract
In this paper we construct an equivariant Poincaré duality between dual tori equipped with finite group actions. We use this to demonstrate that Langlands duality induces a rational isomorphism between the group -algebras of extended affine Weyl groups at the level of -theory.
Citation
Graham A. Niblo. Roger Plymen. Nick Wright. "Poincaré duality and Langlands duality for extended affine Weyl groups." Ann. K-Theory 3 (3) 491 - 522, 2018. https://doi.org/10.2140/akt.2018.3.491
Information