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Wrapped sheaves

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arxiv 2102.06791 v3 pith:WDMRGMQD submitted 2021-02-12 math.SG

classification math.SG
keywords categorylambdasheavescomparisonconstructmicrosupportedsheafwrapped
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abstract

We construct a sheaf-theoretic analogue of the wrapped Fukaya category in Lagrangian Floer theory, by localizing a category of sheaves microsupported away from some given $\Lambda \subset S^*M$ along continuation maps constructed using the Guillermou-Kashiwara-Schapira sheaf quantization. When $\Lambda$ is a subanalytic singular isotropic, we also construct a comparison map to the category of compact objects in the category of unbounded sheaves microsupported in $\Lambda$, and show that it is an equivalence. The last statement can be seen as a sheaf theoretical incarnation of the sheaf-Fukaya comparison theorem of Ganatra-Pardon-Shende.

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Cited by 1 Pith paper

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  1. Line Bundle Resolutions via the Coherent-Constructible Correspondence

    math.AG 2024-11 accept novelty 6.0 of 10

    On smooth projective toric varieties, every coherent sheaf has a minimal line bundle resolution of length at most the dimension, and for toric subvarieties the Betti numbers are compactly supported cohomology groups o...

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