On modules with self Tor vanishing

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The long-standing Auslander and Reiten Conjecture states that a finitely generated module over a finite-dimensional algebra is projective if certain Ext-groups vanish. Several authors, including Avramov, Buchweitz, Iyengar, Jorgensen, Nasseh, Sather-Wagstaff, and Şega, have studied a possible counterpart of the conjecture, or question, for commutative rings in terms of the vanishing of Tor. This has led to the notion of Tor-persistent rings. Our main result shows that the class of Tor-persistent local rings is closed under a number of standard procedures in ring theory.

Original languageEnglish
JournalCommunications in Algebra
Volume48
Issue number10
Pages (from-to)4149-4154
ISSN0092-7872
DOIs
Publication statusPublished - 2020

    Research areas

  • G-dimension, projective dimension, Tor-persistent ring, vanishing of Tor

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