Comparisons between Annihilators of Tor and Ext
Commutative Algebra
2021-05-25 v3
Abstract
In this paper, we compare annihilators of Tor and Ext modules of finitely generated modules over a commutative noetherian ring. For local Cohen--Macaulay rings, one of our results refines a theorem of Dao and Takahashi.
Cite
@article{arxiv.2009.07687,
title = {Comparisons between Annihilators of Tor and Ext},
author = {Souvik Dey and Ryo Takahashi},
journal= {arXiv preprint arXiv:2009.07687},
year = {2021}
}
Comments
11 pages. To appear in Acta Math. Vietnam., Special Issue on: Algebra, Geometry and Related Topics