Comparisons between Annihilators of Tor and Ext

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.

11 pages. To appear in Acta Math. Vietnam., Special Issue on: Algebra, Geometry and Related Topics

References in corpus (1)

• Trace of canonical modules, annihilator of Ext, and classes of rings close to being Gorenstein