Stratifying modular representations of finite groups
Representation Theory
2011-04-18 v2 Commutative Algebra
Group Theory
Abstract
We classify localising subcategories of the stable module category of a finite group that are closed under tensor product with simple (or, equivalently all) modules. One application is a proof of the telescope conjecture in this context. Others include new proofs of the tensor product theorem and of the classification of thick subcategories of the finitely generated modules which avoid the use of cyclic shifted subgroups. Along the way we establish similar classifications for differential graded modules over graded polynomial rings, and over graded exterior algebras.
Cite
@article{arxiv.0810.1339,
title = {Stratifying modular representations of finite groups},
author = {Dave Benson and Srikanth B. Iyengar and Henning Krause},
journal= {arXiv preprint arXiv:0810.1339},
year = {2011}
}
Comments
37 pages; minor changes from the first version. This is slated to appear in the January 2012 issue of Annals of Math., volume 175, no. 1