The derived category of a graded Gorenstein ring

We give an exposition and generalization of Orlov's theorem on graded Gorenstein rings. We show the theorem holds for non-negatively graded rings which are Gorenstein in an appropriate sense and whose degree zero component is an arbitrary non-commutative right noetherian ring of finite global d...

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Bibliographic Details
Published in:arXiv.org 2015-07
Main Authors: Burke, Jesse, Stevenson, Greg
Format: Article
Language:English
Subjects:
Homology
Rings (mathematics)
Online Access:Get full text
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Summary:We give an exposition and generalization of Orlov's theorem on graded Gorenstein rings. We show the theorem holds for non-negatively graded rings which are Gorenstein in an appropriate sense and whose degree zero component is an arbitrary non-commutative right noetherian ring of finite global dimension. A short treatment of some foundations for local cohomology and Grothendieck duality at this level of generality is given in order to prove the theorem. As an application we give an equivalence of the derived category of a commutative complete intersection with the homotopy category of graded matrix factorizations over a related ring.
ISSN:2331-8422