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On decomposition numbers and Alvis–Curtis duality
Published online by Cambridge University Press: 01 November 2007
Abstract
We show that for general linear groups GLn(q) as well as for q-Schur algebras the knowledge of the modular Alvis–Curtis duality over fields of characteristic ℓ, ℓ ∤ q, is equivalent to the knowledge of the decomposition numbers.
- Type
- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 143 , Issue 3 , November 2007 , pp. 509 - 520
- Copyright
- Copyright © Cambridge Philosophical Society 2007
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