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Draft:Prestack

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This is an old revision of this page, as edited by TakuyaMurata (talk | contribs) at 23:28, 11 June 2017 (Created page with 'In algebraic geometry, a '''prestack''' ''F'' over a category ''C'' is a category together with a functor ''p'': ''F'' → ''C'' satisfying certain lifting and d...'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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In algebraic geometry, a prestack F over a category C is a category together with a functor p: FC satisfying certain lifting and descent conditions. By definition, when C is equipped with some Grothendieck topology, a stack is a prestack such that every descent datum is effective.