Demushkin's Theorem in Codimension One

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dc.creatorBerchtold, Florian
dc.creatorHausen, Juergen
dc.date2002-09-30
dc.date.accessioned2026-07-07T04:51:22Z
dc.date.available2026-07-07T04:51:22Z
dc.descriptionDemushkin's Theorem says that any two toric structures on an affine variety X are conjugate in the automorphism group of X. We provide the following extension: Let an (n-1)-dimensional torus T act effectively on an n-dimensional affine toric variety X. Then T is conjugate in the automorphism group of X to a subtorus of the big torus of X.
dc.description6 pages, to appear in Math. Z
dc.identifierhttps://arxiv.org/abs/math/0209405
dc.identifierhttp://arxiv.org/abs/math/0209405
dc.identifierMath. Z. 244, No. 4, 697-703 (2003)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/65121
dc.subjectAlgebraic Geometry
dc.subjectCommutative Algebra
dc.subject13A50, 14L30, 14M25, 14R20
dc.titleDemushkin's Theorem in Codimension One
dc.typetext

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