Twisted support varieties

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dc.creatorBergh, Petter Andreas
dc.date2007-08-29
dc.date.accessioned2026-07-07T08:26:21Z
dc.date.available2026-07-07T08:26:21Z
dc.descriptionWe define and study twisted support varieties for modules over an Artin algebra, where the twist is induced by an automorphism of the algebra. Under a certain finite generation hypothesis, we show that the twisted variety of a module satisfies Dade's Lemma and is one dimensional precisely when the module is periodic with respect to the twisting automorphism. As a special case we obtain results on DTr-periodic modules over Frobenius algebras.
dc.description22 pages, to appear in J. Pure Appl. Algebra
dc.identifierhttps://arxiv.org/abs/0708.3917
dc.identifierhttp://arxiv.org/abs/0708.3917
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136913
dc.subjectRings and Algebras
dc.subject16E05, 16E30, 16E40
dc.titleTwisted support varieties
dc.typetext

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