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We first prove a Cauchy's integral theorem and Cauchy type formula for certain inhomogeneous Cimmino system from quaternionic analysis perspective. The second part of the paper directs the attention towards some applications of the…

Complex Variables · Mathematics 2022-09-27 José Oscar González Cervantes , Dante Arroyo Sánchez , Juan Bory Reyes

We show that the KZ system has a purely topological interpretation in the sense that it may be understood as a variation of complex mixed Hodge structure whose successive pure weight quotients are polarized. This in a sense completes and…

Quantum Algebra · Mathematics 2011-01-12 Eduard Looijenga

We study the representation theory of three towers of algebras which are related to the symmetric groups and their Hecke algebras. The first one is constructed as the algebras generated simultaneously by the elementary transpositions and…

Representation Theory · Mathematics 2007-05-23 Florent Hivert , Nicolas M. Thiéry

Dynamical Sampling of frames and tensor products are important topics in harmonic analysis. This paper combines the concepts of dynamical sampling of frames and the Carleson condition in the tensor product of Hardy spaces. Initially we…

Functional Analysis · Mathematics 2023-08-23 Nabin Kumar Sahu , Vishesh Rajput

Let $M$ be complex projective manifold, and $A$ a positive line bundle on it. Assume that a compact and connected Lie group $G$ acts on $M$ in a Hamiltonian manner, and that this action linearizes to $A$. Then there is an associated unitary…

Symplectic Geometry · Mathematics 2018-03-22 Andrea Galasso , Roberto Paoletti

For a given stratified bundle $E$ on $X$, we construct an irreducible closed subvariety $\sN(E)_S$ of the so called representation space $R(\sO_{X_S},\xi_S,P)\to S$ such that $\sN(E)_S(\overline{\mathbb{F}}_q)$ contains a dense set of…

Algebraic Geometry · Mathematics 2017-07-17 Xiaotao Sun

The Seifert-van Kampen theorem computes the fundamental group of a space from the fundamental groups of its constituents. We develop a modular SVK framework within the setting of computational paths - an approach to equality where witnesses…

Logic in Computer Science · Computer Science 2025-12-24 Arthur F. Ramos , Tiago M. L. de Veras , Ruy J. G. B. de Queiroz , Anjolina G. de Oliveira

We study $p$-adic Hodge theory for families of Galois representations over pseudorigid spaces. Such spaces are non-archimedean analytic spaces which may be of mixed characteristic, and which arise naturally in the study of eigenvarieties at…

Number Theory · Mathematics 2022-11-07 Rebecca Bellovin

Let $X$ be a compact strongly pseudoconvex CR manifold with a transversal CR $S^1$-action. In this paper, we establish the asymptotic expansion of Szeg\H{o} kernels of positive Fourier components and by using the asymptotics, we show that…

Complex Variables · Mathematics 2018-06-13 Hendrik Herrmann , Chin-Yu Hsiao , Xiaoshan Li

The purpose of this paper is to discuss representations of high order $C^0$ finite element spaces on simplicial meshes in any dimension. When computing with high order piecewise polynomials the conditioning of the basis is likely to be…

Numerical Analysis · Mathematics 2020-01-16 Kaibo Hu , Ragnar Winther

In the present paper we further the study of the compression cone of a real spherical homogeneous space $Z=G/H$. In particular we provide a geometric construction of the little Weyl group of $Z$ introduced recently by Knop and Kr\"otz. Our…

Representation Theory · Mathematics 2022-10-28 Job J. Kuit , Eitan Sayag

We introduce a projective Riesz $s$-kernel for the unit sphere $\mathbb{S}^{d-1}$ and investigate properties of $N$-point energy minimizing configurations for such a kernel. We show that these configurations, for $s$ and $N$ sufficiently…

Metric Geometry · Mathematics 2020-11-09 Xuemei Chen , Douglas P. Hardin , Edward B. Saff

A wealth of information on multiloop string amplitudes is encoded in fermionic two-point functions known as Szeg\"o kernels. In this paper we show that cyclic products of any number of Szeg\"o kernels on a Riemann surface of arbitrary genus…

High Energy Physics - Theory · Physics 2025-05-14 Eric D'Hoker , Martijn Hidding , Oliver Schlotterer

In this article, we introduce some generalized Hardy spaces on fibrations of planar domains and fibrations of products of planar domains. We consider the kernel functions on these spaces, and we prove some weighted versions of Saitoh's…

Complex Variables · Mathematics 2024-09-17 Qi'an Guan , Gan Li , Zheng Yuan

The geometry of spaces with indefinite inner product, known also as Krein spaces, is a basic tool for developing Operator Theory therein. In the present paper we establish a link between this geometry and the algebraic theory of…

Functional Analysis · Mathematics 2009-07-08 Franciszek Hugon Szafraniec , Michal Wojtylak

This paper studies how differentiable representations of certain subsemigroups of the Weyl-Heisenberg group may be obtained in suitably constructed rigged Hilbert spaces. These semigroup representations are induced from a continuous unitary…

Mathematical Physics · Physics 2015-06-26 S. Wickramasekara , A. Bohm

Let $(E,V)$ be a general generated coherent system of type $(n,d,n+m)$ on a general non-singular irreducible complex projective curve. A conjecture of D. C. Butler relates the semistability of $E$ to the semistability of the kernel of the…

Algebraic Geometry · Mathematics 2017-11-15 L. Brambila-Paz , O. Mata-Gutierrez , P. E. Newstead , Angela Ortega

We develop a method of constructing a kernel of Lie algebra weight system. A main tool we use in the analysis is Vogel's $\Lambda$ algebra and the surrounding framework. As an example of a developed technique we explicitly provide all…

Quantum Algebra · Mathematics 2025-01-23 Dmitry Khudoteplov , Elena Lanina , Alexey Sleptsov

In this paper we study canonical models for representations of the Hardy algebras that generalize the model theory of Sz.-Nagy and Foias for contraction operators. The Hardy algebras are non selfadjoint operator algebras associated with…

Operator Algebras · Mathematics 2016-09-07 Paul S. Muhly , Baruch Solel

This paper provides a study of problems related to Hardy spaces left by G.\,Weiss in \cite{We}. First, We will prove that the Hardy spaces $H^p(\mathbb{R}^n)$ can be characterized by a fixed Lipschitz function.

Functional Analysis · Mathematics 2022-06-30 ZhuoRan Hu