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Based on the recent developments in the irregular Riemann-Hilbert correspondence for holonomic D-modules and the Fourier-Sato transforms for enhanced ind-sheaves, we study the Fourier transforms of some irregular holonomic D-modules. For…

Algebraic Geometry · Mathematics 2025-02-11 Kiyoshi Takeuchi

Let G be a $p$-adic Lie group. We develop a dimension theory for coadmissible G-equivariant $\mathcal{D}$-modules on smooth rigid analytic spaces. We introduce the category of weakly holonomic G-equivariant $\mathcal{D}$-modules, study its…

Representation Theory · Mathematics 2024-04-15 Tobias Schmidt , Thi Minh Phuong Vu

In the preprint arXiv:2511.07900 we proved that there exists a localizing ring $A_M$ for $A$ an associative ring with unit, and $M=\oplus_{i=1}^rM_i$ a direct sum of $r\geq 1$ simple right $A$-modules. For a homomorphism of associative…

Algebraic Geometry · Mathematics 2025-11-13 Arvid Siqveland

We study a category of Whittaker modules over a complex semisimple Lie algebra by realizing it as a category of twisted D-modules on the associated flag variety using Beilinson-Bernstein localization. The main result of this paper is the…

Representation Theory · Mathematics 2019-11-20 Anna Romanov

We show that there is a logarithmic algebraic space parameterizing logarithmic morphisms between fixed logarithmic schemes when those logarithmic schemes satisfy natural hypotheses. As a corollary, we obtain the algebraicity of the stack of…

Algebraic Geometry · Mathematics 2016-07-13 Jonathan Wise

Given a holonomic D-module M on a 1-dimensional torus, one can consider its Mellin transform, which is a difference system on the affine line. In this note we prove a formal stationary phase formula, which shows that the formal behavior at…

Algebraic Geometry · Mathematics 2021-01-11 Ricardo Garcia Lopez

The article demonstrates the procedure how to compute the Zariski closure of an orbit by an algebraic action of finitely generated group on the affine plane. First half of the algorithm is about deciding whether given finitely generated…

Algebraic Geometry · Mathematics 2024-07-04 Young Joon Ley

We develop a new method for analyzing moduli problems related to the stack of pure coherent sheaves on a polarized family of projective schemes. It is an infinite-dimensional analogue of geometric invariant theory. We apply this to two…

Algebraic Geometry · Mathematics 2024-02-05 Daniel Halpern-Leistner , Andres Fernandez Herrero , Trevor Jones

We give a definition for the restriction of a difference module on the affine line to a formal neighborhood of an orbit, trying to mimic the analogous definition and properties for a D-module. We show that this definition is reasonable in…

Algebraic Geometry · Mathematics 2019-12-09 Moisés Herradón Cueto

We prove a new selection theorem for multivalued mappings of C-space. Using this theorem we prove extension dimensional version of Hurewicz theorem for a closed mapping $f\colon X\to Y$ of $k$-space $X$ onto paracompact $C$-space $Y$: if…

Algebraic Topology · Mathematics 2007-05-23 N. Brodsky , A. Chigogidze

In this paper we generalize the classical Groebner basis technique to prove the existence and present a method of computation of a dimension polynomial in two variables associated with a finitely generated D-module, that is, a finitely…

Rings and Algebras · Mathematics 2012-12-11 Christian Dönch , Alexander Levin

We identify all uniform limits of polynomials on the closed unit disc with respect to the chordal metric \c{hi} . One such limit is f=oo. The other limits are holomorphic functions f:-->C so that for every {\zeta} in the boundary of unit…

Complex Variables · Mathematics 2014-02-26 Vassilis Nestoridis

In this work we provide a localization formulae for odd holomorphic super vector fields on compact complex supermanifolds with fermionic dimension equal to the bosonic dimension. We prove a residue theorem for holomorphic super vector…

Differential Geometry · Mathematics 2019-10-01 Leonardo Abath , Maurício Corrêa , Miguel Rodríguez Peña

We study the local analytic classification of affine structures with logarithmic pole on complex surfaces. With this result in hand, we can get the local classification of the logarithmic parallelizable d-webs, d $\ge$ 3.

Classical Analysis and ODEs · Mathematics 2022-09-14 Ruben Lizarbe , Frank Loray

We provide two Mayer-Vietoris-like spectral sequences related to the localization over the complement of a closed subvariety of an algebraic variety by using techniques from $\mathcal{D}$-modules and homological algebra. We also give, as an…

Algebraic Geometry · Mathematics 2015-12-29 Alberto Castaño Domínguez

We generalize the Gleason-Kahane-\.Zelazko theorem to modules. As an application, we show that every linear functional on a Hardy space that is non-zero on outer functions is a multiple of a point evaluation. A further consequence is that…

Functional Analysis · Mathematics 2015-10-29 Javad Mashreghi , Thomas Ransford

We generalize Rado's extension theorem to complex spaces.

Complex Variables · Mathematics 2021-01-12 V. Vijiitu

We construct and study the moduli of continuous representations of a profinite group with integral $p$-adic coefficients. We present this moduli space over the moduli space of continuous pseudorepresentations and show that this morphism is…

Number Theory · Mathematics 2018-07-25 Carl Wang-Erickson

We study GKZ-type D-modules arising from the actions of commutative linear algebraic groups G = TU (where T is a torus and U is unipotent) on a vector space. Building on Hotta's equivariant D-module framework, we formalize a Fourier-orbit…

Algebraic Geometry · Mathematics 2025-09-16 Go Okuyama

We describe the support of $F$-finite $F$-modules over polynomial rings $R$ of prime characteristic. Our description yields an algorithm to compute the support of such modules; the complexity of our algorithm is also analyzed. To the best…

Commutative Algebra · Mathematics 2017-05-05 Mordechai Katzman , Wenliang Zhang
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