The tensor product of Gorenstein-projective modules over category algebras
Representation Theory
2017-02-12 v1
Abstract
For a finite free and projective EI category, we prove that Gorenstein-projective modules over its category algebra are closed under the tensor product if and only if each morphism in the given category is a monomorphism.
Keywords
Cite
@article{arxiv.1701.04169,
title = {The tensor product of Gorenstein-projective modules over category algebras},
author = {Ren Wang},
journal= {arXiv preprint arXiv:1701.04169},
year = {2017}
}
Comments
11 pages. arXiv admin note: text overlap with arXiv:1601.02737