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For any holomorphic function $f\colon X\to \mathbb{C}$ on a complex manifold $X$, we define and study moderate growth and rapid decay objects associated to an enhanced ind-sheaf on $X$. These will be sheaves on the real oriented blow-up…

Algebraic Geometry · Mathematics 2023-07-17 Brian Hepler , Andreas Hohl

This paper solves the global moduli problem for regular holonomic D-modules with normal crossing singularities on a nonsingular complex projective variety. This is done by introducing a level structure (which gives rise to…

alg-geom · Mathematics 2008-02-03 Nitin Nitsure

In this article we prove a conjecture of Braverman-Kazhdan in \cite{BK} on the acyclicity of gamma sheaves in the de Rham setting. The proof relies on the techniques developed in \cite{BFO} on Drinfeld center of Harish-Chandra bimodules and…

Representation Theory · Mathematics 2016-09-14 Tsao-Hsien Chen

Integral geometry deals with those integral transforms which associate to ``functions'' on a manifold their integrals along submanifolds parameterized by another manifold. Basic problems in this context are range characterization--where…

Algebraic Geometry · Mathematics 2019-04-11 Andrea D'Agnolo

Recently, the Riemann-Hilbert correspondence was generalized in the context of general holonomic D-modules by A. D'Agnolo and M. Kashiwara. Namely, they proved that their enhanced de Rham functor gives a fully faithfully embedding of the…

Complex Variables · Mathematics 2018-12-04 Takuro Mochizuki

Consider a complex analytic manifold $X$ and a coherent Lie subalgebra $\shi$ of the Lie algebra of complex vector fields on $X$. By using a natural $\shd_X$-module $\shm_\shi$ naturally associated to $\shi$ and the ring (in the derived…

Differential Geometry · Mathematics 2016-06-30 Hamidou Dathe

We show that the bounded derived category of regular holonomic D-modules on a smooth variety is equivalent to the homotopy catgory of compact (or constructible) modules over the motivic ring spectrum $H_{dR}$ representing algebraic de Rham…

Algebraic Geometry · Mathematics 2016-12-16 Dmitri Pavlov , Jakob Scholbach

The differential-geometric and topological structure of Delsarte transmutation operators and associated with them Gelfand-Levitan-Marchenko type eqautions are studied making use of the De Rham-Hodge-Skrypnik differential complex. The…

Mathematical Physics · Physics 2007-05-23 Y. A. Prykarpatsky , A. M. Samoilenko , A. K. Prykarpatsky

Let M be a complex of D-modules with bounded holonomic cohomology on a complex manifold. In this note, we prove that if the derived tensor product of M with itself is regular, then M is regular.

Algebraic Geometry · Mathematics 2015-03-10 Jean-Baptiste Teyssier

We show that the Fourier-Laplace transform of an irreducible regular differential system on the Riemann sphere underlies, when one only considers the part at finite distance, a polarizable regular twistor $\mathcal{D}$-module. The…

Algebraic Geometry · Mathematics 2015-06-26 Claude Sabbah

We introduce the notion of regularity for a relative holonomic $\mathcal D$-module in the sense of arXiv:1204.1331. We prove that the solution functor from the bounded derived category of regular relative holonomic modules to that of…

Algebraic Geometry · Mathematics 2019-05-03 Teresa Monteiro Fernandes , Claude Sabbah

We prove that Nahm transform for integrable connections with a finite number of regular singularities and an irregular singularity of rank 1 on the Riemann sphere is equivalent -- up to considering integrable connections as holonomic…

Algebraic Geometry · Mathematics 2012-08-06 Szilard Szabo

We study Fourier transforms of holonomic D-modules on the complex affine line and show that their enhanced solution complexes are described by a twisted Morse theory. We thus recover and even strengthen the well-known formula for their…

Algebraic Geometry · Mathematics 2025-09-25 Kazuki Kudomi , Kiyoshi Takeuchi

Let X be a complex manifold. The classical Riemann-Hilbert correspondence associates to a regular holonomic system M the C-constructible complex of its holomorphic solutions. Denote by t the affine coordinate in the complex projective line.…

Algebraic Geometry · Mathematics 2013-05-20 Andrea D'Agnolo , Masaki Kashiwara

It is shown that the rich algebraic structure of the standard $d$-dimensional Coulomb problem can be extended to its Dunkl counterpart. Replacing standard derivatives by Dunkl ones in the so($d+1$,2) dynamical algebra generators of the…

Mathematical Physics · Physics 2025-10-06 Christiane Quesne

We study Fourier transforms of regular holonomic D-modules. In particular we show that their solution complexes are monodromic. An application to direct images of some irregular holonomic D-modules will be given. Moreover we give a new…

Algebraic Geometry · Mathematics 2019-09-27 Yohei Ito , Kiyoshi Takeuchi

We construct the deformation functor associated to a couple of morphisms of differential graded Lie algebras, and use it to study the infinitesimal deformations of a holomorphic map of compact complex manifolds. In particular, in the case…

Algebraic Geometry · Mathematics 2007-05-23 Donatella Iacono

Let $X$ be a complex manifold. In "Microlocal study of Ind-sheaves I: microsupport and regularity", M. Kashiwara e P. Schapira made the conjecture that a holonomic D-module $\shm$ is regular holonomic if and only if…

Algebraic Geometry · Mathematics 2007-05-23 Ana Rita Martins

We study de Rham character sheaves on a commutative connected algebraic group $G$, defined as multiplicative line bundles with integrable connection. We construct a group algebraic space $G^\flat$ representing their moduli problem on…

Algebraic Geometry · Mathematics 2026-02-04 Gabriel Ribeiro

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…

Algebraic Geometry · Mathematics 2015-03-13 Masaki Kashiwara , Pierre Schapira