On decomposition numbers and Alvis-Curtis duality
Representation Theory
2019-05-01 v2
Abstract
We show that for general linear groups as well as for -Schur algebras the knowledge of the modular Alvis-Curtis duality over fields of characteristic , , is equivalent to the knowledge of the decomposition numbers.
Cite
@article{arxiv.0709.3223,
title = {On decomposition numbers and Alvis-Curtis duality},
author = {Bernd Ackermann and Sibylle Schroll},
journal= {arXiv preprint arXiv:0709.3223},
year = {2019}
}
Comments
to appear in Math. Proc. Cam. Philos. Soc