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Perverse coherent sheaves

We describe an analogue of the notion of a perverse sheaf in the setting of the derived category of coherent sheaves on an algebraic stack. Under strong additional assumptions the construction of coherent "intersection cohomology" complexes works. This paper supersedes the preprint arXiv:math/0005152 by the second author.

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Co-authorshipAuthorshipAuthorshipTopic signalTopic signalWPerverse coherent sheavespreprint / 2021ADmitry ArinkinResearcherARoman BezrukavnikovResearcherTmath.AG5393 worksTmath.RT2974 works
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Perverse coherent sheaves

preprint / 2021

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