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Difference sheaves and torsors

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dc.abstract.enWe develop sheaf theory in the context of difference algebraic geometry. We introduce categories of difference sheaves and develop the appropriate cohomology theories. As specializations, we get difference Galois cohomology, difference Picard group and a good theory of difference torsors.<br />
dc.affiliationUniwersytet Warszawski
dc.contributor.authorChałupnik, Marcin
dc.contributor.authorKowalski, Piotr
dc.date.accessioned2024-01-24T21:48:50Z
dc.date.available2024-01-24T21:48:50Z
dc.date.issued2023
dc.description.financePublikacja bezkosztowa
dc.description.number2
dc.description.volume260
dc.identifier.doi10.4064/FM66-8-2022
dc.identifier.issn0016-2736
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/104857
dc.identifier.weblinkhttp://dx.doi.org/10.4064/fm66-8-2022
dc.languageeng
dc.pbn.affiliationmathemathics
dc.relation.ispartofFundamenta Mathematicae
dc.relation.pages111-161
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enGrothendieck topology
dc.subject.entorsor
dc.subject.endifference sheaf
dc.subject.endifference cohomology
dc.titleDifference sheaves and torsors
dc.typeJournalArticle
dspace.entity.typePublication