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Using the existence of infinite numbers $k$ in the non-Archimedean ring of Robinson-Colombeau, we define the hyperfinite Fourier transform (HFT) by considering integration extended to $[-k,k]^{n}$ instead of $(-\infty,\infty)^{n}$. In order…

Functional Analysis · Mathematics 2022-10-03 Akbarali Mukhammadiev , Diksha Tiwari , Paolo Giordano

Centraliser algebras of monomial representations of finite groups may be constructed and studied using methods similar to those employed in the study of permutation groups. Guided by results of D. G. Higman and others, we give an explicit…

Combinatorics · Mathematics 2025-04-17 Santiago Barrera Acevedo , Padraig Ó Catháin , Heiko Dietrich , Ronan Egan

This article presents a pedagogical probabilistic exploration of the Newton-Girard identities. We show that the coefficients in these classical relations between power sums and elementary symmetric polynomials can be interpreted as the…

Probability · Mathematics 2026-02-20 Jean-Christophe Pain

A set $\mathcal{S}$ of points in $\mathbb{R}^n$ is called a rationally parameterisable hypersurface if $\mathcal{S}=\{\boldsymbol{\sigma}(\mathbf{t}): \mathbf{t} \in D\}$, where $\boldsymbol{\sigma}: \mathbb{R}^{n-1} \rightarrow…

Classical Analysis and ODEs · Mathematics 2022-12-29 Konrad Engel

We propose an alternative definition for a Tsallis entropy composition-inspired Fourier transform, which we call "$\tau_q$-Fourier transform". We comment about the underlying "covariance" on the set of algebraic fields that motivates its…

General Physics · Physics 2018-06-13 Nikolaos Kalogeropoulos

In our last work, we formulate a Fourier transformation on the infinite-dimensional space of functionals. Here we first calculate the Fourier transformation of infinite-dimensional Gaussian distribution $\exp(-\pi…

Logic · Mathematics 2007-05-23 Takashi Nitta , Tomoko Okada

In the paper we provide some polynomial identities for finite-dimensional algebras. A list of well known single polynomial identities is exposed and the classification of all $2$-dimensional algebras with respect to these identities is…

Rings and Algebras · Mathematics 2020-01-03 H. Ahmed , U. Bekbaev , I. Rakhimov

{\em Quantum Fourier analysis} is a new subject that combines an algebraic Fourier transform (pictorial in the case of subfactor theory) with analytic estimates. This provides interesting tools to investigate phenomena such as quantum…

Operator Algebras · Mathematics 2021-06-30 Arthur Jaffe , Chunlan Jiang , Zhengwei Liu , Yunxiang Ren , Jinsong Wu

In 2008, Lehner, Wettig, Guhr and Wei conjectured a power series identity and showed that it implied a determinantal formula for a Bessel-type integral over the unitary supergroup. The integral is the supersymmetric extension of Bessel-type…

Mathematical Physics · Physics 2019-03-27 Jimmy He

Building on the developments of many people including Evans, Greene, Katz, McCarthy, Ono, Roberts, and Rodriguez-Villegas, we consider period functions for hypergeometric type algebraic varieties over finite fields and consequently study…

Number Theory · Mathematics 2022-10-07 Jenny Fuselier , Ling Long , Ravi Ramakrishna , Holly Swisher , Fang-Ting Tu

The non-empty finite subsets of a multiplicatively written monoid form a monoid under setwise multiplication. The same holds for finite subsets containing the identity element. Partly due to their unusual arithmetic properties, these…

Rings and Algebras · Mathematics 2026-05-18 Salvatore Tringali

A monomial algebra is the quotient of a polynomial algebra by an ideal generated by monomials. We prove that finite-dimensional monomial algebras are characterized by their automorphism group among finite-dimensional, local algebras with…

Commutative Algebra · Mathematics 2026-05-13 Roberto Díaz , Giancarlo Lucchini Arteche

We study some fundamental properties of the special affine Fourier transform (SAFT) in connection with the Fourier analysis and time-frequency analysis. We introduce the modulation space $\boldsymbol {M}^{r,s}_A$ in connection with SAFT and…

Functional Analysis · Mathematics 2022-07-11 M. H. A. Biswas , H. G. Feichtinger , R. Ramakrishnan

The characterization of permutations over finite fields is an important topic in number theory with a long-standing history. This paper presents a systematic investigation of low-degree bivariate polynomial systems $F=(f_1(x,y),f_2(x,y))$…

Number Theory · Mathematics 2025-08-05 Xuan Pang , Yangcheng Li , Pingzhi Yuan , Yuanpeng Zeng

Presented are polynomial identities which imply generalizations of Euler and Rogers--Ramanujan identities. Both sides of the identities can be interpreted as generating functions of certain restricted partitions. We prove the identities by…

High Energy Physics - Theory · Physics 2009-10-28 Omar Foda , Yas-Hiro Quano

Permutation polynomials over finite fields constitute an active research area and have applications in many areas of science and engineering. In this paper, two conjectures on permutation polynomials proposed recently by Wu and Li [19] are…

Combinatorics · Mathematics 2017-03-10 Jingxue Ma , Gennian Ge

Let $G$ be an even orthogonal quasi-split group defined over a local non-archimedean field $F$. We describe the subspace of smooth vectors of the minimal representation of $G(F),$ realized on the space of square-integrable functions on a…

Representation Theory · Mathematics 2023-04-28 Nadya Gurevich , David Kazhdan

We solve an elementary number theory problem on sums of fractional parts, using methods from group theory. We apply our result to deduce the finiteness of certain monodromy representations.

Number Theory · Mathematics 2016-12-15 Eknath Ghate , T. N. Venkataramana

Let $ F $ be a finite field and consider $ UT_n $ the algebra of $ n\times n $ upper triangular matrices over $ F $. In [1], it was proved that every $ G $-grading is elementary. In [2], the authors classified all nonisomorphic elementary $…

Rings and Algebras · Mathematics 2021-05-10 Ronald Ismael Quispe Urure , Tatiana Aparecida Gouveia

We prove polynomial identities for the N=1 superconformal model SM(2,4\nu) which generalize and extend the known Fermi/Bose character identities. Our proof uses the q-trinomial coefficients of Andrews and Baxter on the bosonic side and a…

High Energy Physics - Theory · Physics 2009-10-28 Alexander Berkovich , Barry M. McCoy , William P. Orrick