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Quasi-perfect scheme-maps and boundedness of the twisted inverse image functor

Lipman, Joseph; Neeman, Amnon


For a map f : X → Y of quasi-compact quasi-separated schemes, we discuss quasi-perfection, i.e., the right adjoint fx of Rf* respects small direct sums. This is equivalent to the existence of a functorial isomorphism fxOY ⊗L Lf*( - ) →∼ fx( - ); t

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Illinois Journal of Mathematics


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