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Foundations of Grothendieck Duality for Diagrams of Schemes (Paperback, 2009 ed.)
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Foundations of Grothendieck Duality for Diagrams of Schemes (Paperback, 2009 ed.)
Series: Lecture Notes in Mathematics, 1960
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This volume contains two related, though independently written, mo-
graphs. In Notes on Derived Functors and Grothendieck Duality the
?rst three chapters treat the basics of derived categories and
functors, and of the rich formalism, over ringed spaces, of the
derived functors, for unbounded com- ? plexes, ofthesheaffunctors?,
Hom, f andf wheref isaringed-spacemap. ? Included are some
enhancements, for concentrated (i.e., quasi-compact and
quasi-separated) schemes, of classical results such as the
projection and K] unneth isomorphisms. The fourth chapter presents
the abstract foun- tions of Grothendieck Duality-existence and
tor-independent base change for the right adjoint of the derived
functor Rf when f is a quasi-proper ? map of concentrated schemes,
the twisted inverse image pseudofunctor for separated ?nite-type
maps of noetherian schemes, re?nements for maps of ?nite
tor-dimension, and a brief discussion of dualizing complexes. In
Equivariant Twisted Inverses the theory is extended to the context
of diagrams of schemes, and in particular, to schemes with a
group-scheme action. An equivariant version of the twisted
inverse-image pseudofunctor is de?ned, and equivariant versions of
some of its important properties are proved, including Grothendieck
duality for proper morphisms, and ?at base change. Also,
equivariant dualizing complexes are dealt with. As an appli- tion,
ageneralizedversionofWatanabe'stheoremontheGorensteinproperty of
rings of invariants is proved. More detailed overviews are given in
the respective Introductions."
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