277 research outputs found

    Three lectures on Algebraic Microlocal Analysis

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    These three lectures present some fundamental and classical aspects of microlocal analysis. Starting with the Sato's microlocalization functor and the microsupport of sheaves, we then construct a microlocal analogue of the Hochschild homology for sheaves and apply it to recover index theorems for D-modules and elliptic pairs. In the third lecture, we construct the ind-sheaves of temperate and Whitney holomorphic functions and give some applications to the study of irregular holonomic D-modules.Comment: small correction

    Stacks of quantization-deformation modules on complex symplectic manifolds

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    On a complex symplectic manifold, we construct the stack of quantization-deformation modules, that is, (twisted) modules of microdifferential operators with an extra central parameter, a substitute to the lack of homogeneity. We also quantize involutive submanifolds of contact manifolds.Comment: In this new version, we have deleted from the previous one Lemma 7.6, Proposition 7.7 and Proposition 7.8 which were erroneou

    Construction of sheaves on the subanalytic site

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    On a real analytic manifold M, we construct the linear subanalytic Grothendieck topology Msal together with the natural morphism of sites ρ\rho from Msa to Msal, where Msa is the usual subanalytic site. Our first result is that the derived direct image functor by ρ\rho admits a right adjoint, allowing us to associate functorially a sheaf (in the derived sense) on Msa to a presheaf on Msa satisfying suitable properties, this sheaf having the same sections that the presheaf on any open set with Lipschitz boundary. We apply this construction to various presheaves on real manifolds, such as the presheaves of functions with temperate growth of a given order at the boundary or with Gevrey growth at the boundary. On a complex manifold endowed with the subanalytic topology, the Dolbeault complexes associated with these new sheaves allow us to obtain various sheaves of holomorphic functions with growth. As an application, we can endow functorially regular holonomic D-modules with a filtration, in the derived sense.Comment: v 5: Chapter 5 has been expanded and other minor correction

    Regular and irregular holonomic D-modules

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    This is a survey paper based on a series of lectures given at the IHES in February/March 2015. In a first part, we recall the main results on the tempered holomorphic solutions of D-modules in the language of indsheaves and, as an application, the Riemann-Hilbert correspondence for regular holonomic modules. In a second part, we present the enhanced version of the first part, treating along the same lines the irregular holonomic case.Comment: 114 page

    Irregular holonomic kernels and Laplace transform

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    Given a (not necessarily regular) holonomic D-module defined on the product of two complex manifolds, we prove that the associated correspondence commutes (in some sense) with the De Rham functor. We apply this result to the study of the classical Laplace transform. The main tools used here are the theory of ind-sheaves and its enhanced version.Comment: 62 pages. 2nd version typoes correcte

    Deformation quantization modules

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    We study modules over stacks of deformation quantization algebroids on complex Poisson manifolds. We prove finiteness and duality theorems in the relative case and construct the Hochschild class of coherent modules. We prove that this class commutes with composition of kernels, a kind of Riemann-Roch theorem in the non-commutative setting. Finally we study holonomic modules on complex symplectic manifolds and we prove in particular a constructibility theorem.Comment: This paper develops the results of Deformation quantization modules I (arXiv:0802.1245) and II (arXiv:0809.4309), and also contains new results and new remarks. It will appear in Asterisque, Soc. Math. France (2012
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