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Sheaf Quantization of Lagrangians and Floer cohomology

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arxiv 1901.09440 v1 pith:CWGR5SFY submitted 2019-01-27 math.SG

classification math.SG
keywords floercohomologyguillermouproofsheavesbulletcitecomplex
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abstract

Given an exact Lagrangian submanifold $L$ in $T^*N$, we want to construct a complex of sheaves in the derived category of sheaves on $N\times {\mathbb R} $, such that its singular support, $SS({\mathcal F}^\bullet_L)$, is equal to $\widehat L$, the cone constructed over $L$. Its existence was stated in \cite{Viterbo-ISTST} in 2011, with a sketch of proof, which however contained a gap (fixed here by the rectification). A complete proof was shortly after provided by Guillermou (\cite{Guillermou}) by a completely different method, in particular Guillermou's method does not use Floer theory. The proof provided here is, as originally planned, based on Floer homology. Besides the construction of the complex of sheaves, we prove that the filtered versions of sheaf cohomology of the quantization and of Floer cohomology coincide, that is $FH^*(N\times ]-\infty, \lambda [, {\mathcal F}^\bullet_L)\simeq FH^*(L;0_N;\lambda)$, and so do their product structures.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Density of fibers for the filtered Fukaya category of $T^*N$

    math.SG 2026-02 conditional novelty 7.0 of 10

    Iterated cones of cotangent fibers are dense in the filtered Fukaya category with respect to the interleaving distance, with a dim N + 1-cone improvement.

  2. A topological classification of generating functions

    math.SG 2026-05 unverdicted novelty 5.0 of 10

    Three topological invariants classify generating functions for Legendrians up to stabilization and fiberwise diffeomorphism.

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