Symmetry criteria for Hochschild extensions
Rings and Algebras
2021-04-29 v2 Representation Theory
Abstract
We give two sufficient and necessary conditions for a Hochschild extension of a finite dimensional algebra by its dual bimodule and a Hochschild 2-cocycle to be a symmetric algebra.
Cite
@article{arxiv.2012.15510,
title = {Symmetry criteria for Hochschild extensions},
author = {Yang Han},
journal= {arXiv preprint arXiv:2012.15510},
year = {2021}
}
Comments
8 pages; A few typos are corrected; To appear in Bull. London Math. Soc