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We formulate a notion of group Fourier transform for a finite dimensional Lie group. The transform provides a unitary map from square integrable functions on the group to square integrable functions on a non-commutative dual space. We then…

Mathematical Physics · Physics 2011-12-13 Matti Raasakka

In this notebook, I present duality theory (or theories) of abelian groups with some categorical and categorical topological flavour. I consider writing this notebook as a longer-term project, and its current content and presentation is…

General Topology · Mathematics 2007-05-23 Gábor Lukács

We give a microlocal description of the Aubert--Zelevinsky involution for all unipotent representations of all inner forms of simple adjoint unramified $p$-adic groups. Via the realization of enhanced $L$-parameters as perverse sheaves, we…

Representation Theory · Mathematics 2026-05-11 Jonas Antor , Emile Okada

We show finiteness results on torsion points of commutative algebraic groups over a $p$-adic field $K$ with values in various algebraic extensions $L/K$ of infinite degree. We mainly study the following cases: (1) $L$ is an abelian…

Number Theory · Mathematics 2021-05-25 Yoshiyasu Ozeki

We adapt the abstract concepts of abelianness and centrality of universal algebra to the context of inverse semigroups. We characterize abelian and central congruences in terms of the corresponding congruence pairs. We relate centrality to…

Group Theory · Mathematics 2026-02-04 Michael Kinyon , David Stanovský

In this paper, we establish local fractional Fourier Cosine and Sine Transforms on fractal space, considered some properties of local fractional Cosine and Sine Transforms, show applications of local fractional Fourier Cosine and Sine…

General Mathematics · Mathematics 2011-10-24 Guang-Sheng Chen

We study the Beurling and Fourier transforms on subspaces of $L^2({\mathbb C})$ defined by an invariance property with respect to the root-of-unity group. This leads to generalizations of these transformations acting unitarily on weighted…

Complex Variables · Mathematics 2013-11-27 Haakan Hedenmalm

A locally compact contraction group is a pair (G,f) where G is a locally compact group and f an automorphism of G which is contractive in the sense that the forward orbit under f of each g in G converges to the neutral element e, as n tends…

Group Theory · Mathematics 2018-04-05 Helge Glockner , George A. Willis

We prove new fundamental lemma and arithmetic fundamental lemma identities for general linear groups over quaternion division algebras. In particular, we verify the transfer conjeture and the arithmetic transfer conjecture from…

Number Theory · Mathematics 2024-08-30 Nuno Hultberg , Andreas Mihatsch

In this paper, we prove both of the Titchmarsh theorems associated with Two-Sided Quaternionic Fourier Transform and we conclude about Short-Time Two-Sided Quaternionic Fourier Transform.

Classical Analysis and ODEs · Mathematics 2021-09-21 Hakim Monaim , Said Fahlaoui

We study matrix forms of quaternionic versions of the Fourier Transform and Convolution operations. Quaternions offer a powerful representation unit, however they are related to difficulties in their use that stem foremost from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Giorgos Sfikas , George Retsinas

In this paper we give the characterization of Fuchsian groups acting on quaternionic hyperbolic 2-space.

Geometric Topology · Mathematics 2012-01-04 Joonhyung Kim

We prove that the automorphism groups of simple polarized abelian varieties of odd prime dimension over finite fields are cyclic, and give a complete list of finite groups that can be realized as such automorphism groups.

Number Theory · Mathematics 2019-01-16 WonTae Hwang

This paper is a continuation of [BaSh], where we studied the behaviour of the abelianization functor under inverse limits. Our main result in [BaSh] was that if $\mathcal{T}$ is a countable directed poset and $G:\mathcal{T}\to\mathcal{G}…

Group Theory · Mathematics 2020-06-25 Ilan Barnea , Saharon Shelah

We prove formulas for the p-adic logarithm of quaternionic Darmon points on p-adic tori and modular abelian varieties over Q having purely multiplicative reduction at p. These formulas are amenable to explicit computations and are the first…

Number Theory · Mathematics 2011-06-15 M. Longo , S. Vigni

This paper is a continuation of the paper [arXiv:0911.4725], investigating a natural radial deformation of the Fourier transform in the setting of Clifford analysis. At the same time, it gives extensions of many results obtained in…

Classical Analysis and ODEs · Mathematics 2013-02-06 Hendrik De Bie , Bent Orsted , Petr Somberg , Vladimir Soucek

Quadratic permutation polynomial interleavers over integer rings have recently received attention in practical turbo coding systems from deep space applications to mobile communications. In this correspondence, a necessary and sufficient…

Information Theory · Computer Science 2011-02-11 Jonghoon Ryu , Oscar Y. Takeshita

An element of a group is called reversible if it is conjugate to its own inverse. Reversible elements are closely related to strongly reversible elements, which can be expressed as a product of two involutions. In this paper, we classify…

Group Theory · Mathematics 2025-04-30 Krishnendu Gongopadhyay , Tejbir Lohan , Chandan Maity

We consider Fourier transform of vector-valued functions on a locally compact group $G$, which take value in a Banach space $X$, and are square-integrable in Bochner sense. If $G$ is a finite group then Fourier transform is a bounded…

Functional Analysis · Mathematics 2008-09-01 Yauhen Radyna , Anna Sidorik

In this paper, we study the quaternionic counterpart of complex Fock spaces $\mathfrak{F}_{\alpha}^p ( 0<p<\infty$ and for some parameter $\alpha$) of entire slice hyperholomorphic functions in an Euclidean unit ball $\mathbb{B}^n$ in…

Functional Analysis · Mathematics 2016-12-06 Sanjay Kumar , Khalid Manzoor
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