Perfect category-graded algebras
Category Theory
2016-02-09 v2 Rings and Algebras
Representation Theory
Abstract
In a perfect category every object has a minimal projective resolution. We give a criterion for the category of modules over a categorygraded algebra to be perfect.
Cite
@article{arxiv.1003.5492,
title = {Perfect category-graded algebras},
author = {Ana Paula Santana and Ivan Yudin},
journal= {arXiv preprint arXiv:1003.5492},
year = {2016}
}
Comments
A sufficient condition is replaced by a criterion. Several references added. 17 pages