A remark on FI-module homology
Rings and Algebras
2016-05-12 v4 Representation Theory
Abstract
We show that the FI-homology of an FI-module can be computed via a Koszul complex. As an application, we prove that the Castelnuovo-Mumford regularity of a finitely generated torsion FI-module is equal to its degree.
Cite
@article{arxiv.1505.01777,
title = {A remark on FI-module homology},
author = {Wee Liang Gan and Liping Li},
journal= {arXiv preprint arXiv:1505.01777},
year = {2016}
}
Comments
Minor corrections