Are special biserial algebras homologically tame?
Representation Theory
2022-03-09 v3
Abstract
Birge Huisgen-Zimmermann calls a finite dimensional algebra homologically tame provided the little and the big finitistic dimension are equal and finite. The question formulated in the title has been discussed by her in the paper "Representation-tame algebras need not be homologically tame", by looking for any at a sequence of algebras with big finitistic dimension . As we will show, also the little finitistic dimension of is r+m. It follows that contrary to her assertion, all her algebras are homologically tame.
Keywords
Cite
@article{arxiv.2106.04924,
title = {Are special biserial algebras homologically tame?},
author = {Claus Michael Ringel},
journal= {arXiv preprint arXiv:2106.04924},
year = {2022}
}
Comments
6 pages