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Local well-posedness is established for a highly nonlocal nonlinear diffusion-adhesion system for bounded initial values with small support. Macroscopic systems of this kind were previously obtained by the authors through upscaling in [32]…

Analysis of PDEs · Mathematics 2025-05-16 Mabel Lizzy Rajendran , Anna Zhigun

We establish how a higher local field can be described as a locally convex vector space once an embedding of a local field into it has been fixed. This extends previous results that had been obtained in the two-dimensional case. In…

Number Theory · Mathematics 2013-02-01 Alberto Camara

We focus on working on incidence rings, a class of (possibly infinite) matrix rings indexed by ordered sets. Some general properties about them are given, including how they are always the inverse limit of finite matrix rings, giving a…

Group Theory · Mathematics 2025-03-03 João V. P. e Silva

We prove the Second Vanishing Theorem for local cohomology modules of an unramified regular local ring in its full generality and provide a new proof of the Second Vanishing Theorem in prime characteristic $p$. As an application of our…

Commutative Algebra · Mathematics 2025-02-13 Wenliang Zhang

In this article we discuss local aspects of 2-functors defined on the path 2-groupoid of a smooth manifold; in particular, local trivializations and descent data. This is a contribution to a project that provides an axiomatic formulation of…

General Topology · Mathematics 2017-02-01 Urs Schreiber , Konrad Waldorf

In aperiodic order, non-periodic but "ordered" objects such as tilings, Delone sets, functions and measures are investigated. In this article we depict the common structure of these objects by using the general framework of abstract pattern…

Metric Geometry · Mathematics 2018-11-13 Yasushi Nagai

Let M be a meromorphic connection with poles along a smooth divisor D in a smooth algebraic variety. Let Sol M be the solution complex of M. We prove that the good formal decomposition locus of M coincides with the locus where the…

Algebraic Geometry · Mathematics 2019-03-20 Jean-Baptiste Teyssier

Given a Lie group G, one constructs a principal G-bundle on a manifold X by taking a cover U of X, specifying a transition cocycle on the cover, and descending the trivialized bundle along the cover. We demonstrate the existence of an…

Algebraic Topology · Mathematics 2015-12-01 Jesse Wolfson

This paper is concerned with lifting modules along a surjective map of noetherian local rings, say $\varphi \colon R \twoheadrightarrow S$. A finitely generated $R$-module $L$ is a naive lift of an $S$-module $M$ if $L \otimes_R S \cong M$.…

Commutative Algebra · Mathematics 2026-02-03 Benjamin Katz , Nawaj KC , Kesavan Mohana Sundaram , Andrew J. Soto Levins , Ryan Watson

In this paper, we prove the local converse theorem for split even special orthogonal groups over a non-Archimedean local field of characteristic zero. This is the only case left on local converse theorems of split classical groups and the…

Representation Theory · Mathematics 2023-02-03 Alexander Hazeltine , Baiying Liu

A duality theorem for the stable module category of representations of a finite group scheme is proved. One of its consequences is an analogue of Serre duality, and the existence of Auslander-Reiten triangles for the $\mathfrak{p}$-local…

Representation Theory · Mathematics 2019-02-20 Dave Benson , Srikanth B. Iyengar , Henning Krause , Julia Pevtsova

After introducing some motivations for this survey, we describe a formalism to parametrize a wide class of algebraic structures occurring naturally in various problems of topology, geometry and mathematical physics. This allows us to define…

Algebraic Topology · Mathematics 2016-12-16 Sinan Yalin

The local structure of terminal Brauer classes on arithmetic surfaces were classified in [CI21] generalising the classification on geometric surfaces carried out in [CI05]. Part of the interest in these classifications is that it enables…

Rings and Algebras · Mathematics 2024-10-23 Daniel Chan , Colin Ingalls

We classify irreducible representations of the special linear groups in positive characteristic with small weight multiplicities with respect to the group rank and give estimates for the maximal weight multiplicities. For the natural…

Representation Theory · Mathematics 2013-10-01 Alexander Baranov , Anna Osinovskaya , Irina Suprunenko

We use circle method prove an asymptotic local-global theorem on the heights of point orbits of thin subgroups of Bianchi groups in $\mathbb H^3$.

Number Theory · Mathematics 2024-05-24 Xuan Xuan Xiao , Xin Zhang

The geometric Langlands program is distinguished in assigning spectral decompositions to all representations, not only the irreducible ones. However, it is not even clear what is meant by a spectral decomposition when one works with…

Algebraic Geometry · Mathematics 2015-11-05 Sam Raskin

We consider a kind of nonlinear systems on a locally finite graphs $G=(V,E)$. We prove via the mountain pass theorem that this kind of systems has a nontrivial ground state solution which depends on the parameter $\lambda$ with some…

Analysis of PDEs · Mathematics 2021-11-23 Jinyan Xu , Liang Zhao

We construct standard resolutions for analytic local modules on complex hypersurfaces using standard basis methods, with extensions to complete intersections. The algebraic version over arbitrary infinite fields is also suggested.…

Algebraic Geometry · Mathematics 2025-08-18 Xingbang Hao

This thesis is an exposition of the author's contribution on effective descent morphisms in various categories of generalized categorical structures. It consists of: Chapter 1, where an elementary description of descent theory and the…

Category Theory · Mathematics 2025-02-14 Rui Prezado

This is a survey on the local structure about a fixed point of discrete finite-dimensional holomorphic dynamical systems, discussing in particular the existence of local topological conjugacies to normal forms, and the structure of local…

Dynamical Systems · Mathematics 2007-05-23 Marco Abate