A note on representation-finite symmetric algebras
Representation Theory
2026-03-24 v2
Abstract
We give a characterisation of representation-finite symmetric algebras of period four, and describe their basic algebras. In particular, if such an algebra is indecomposable, it has at most two simple modules.
Keywords
Cite
@article{arxiv.2304.11877,
title = {A note on representation-finite symmetric algebras},
author = {Karin Erdmann},
journal= {arXiv preprint arXiv:2304.11877},
year = {2026}
}
Comments
4 pages. This is a new version, based on a result by Butler and Ringel