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On Okuyama’s Theorems about Alvis-Curtis Duality
Published online by Cambridge University Press: 11 January 2016
Abstract
We report on theorems by T. Okuyama about complexes generalizing the Coxeter complex and the action of parabolic subgroups on them, both for finite BN-pairs and finite dimensional Hecke algebras. Several simplifications, using mainly the surjections of [CaRi], allow a more compact treatment than the one in [O].
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- Research Article
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- Copyright © Editorial Board of Nagoya Mathematical Journal 2009
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