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We introduce a two-parameter deformation of the classical Poisson distribution from the viewpoint of noncommutative probability theory, by defining a $(q,t)$-Poisson type operator (random variable) on the $(q,t)$-Fock space \cite{Bl12} (See…

Combinatorics · Mathematics 2025-08-19 Nobuhiro Asai , Marek Bożejko , Lahcen Oussi , Hiroaki Yoshida

We give a detailed description of the resolution of the identity of a second order $q$-difference operator considered as an unbounded self-adjoint operator on two different Hilbert spaces. The $q$-difference operator and the two choices of…

Classical Analysis and ODEs · Mathematics 2007-05-23 Erik Koelink , Jasper V. Stokman

We introduce a new family of special functions, namely $q$-Charlier multiple orthogonal polynomials. These polynomials are orthogonal with respect to $q$-analogues of Poisson distributions. We focus our attention on their structural…

Classical Analysis and ODEs · Mathematics 2015-03-31 Jorge Arvesú , Andys M. Ramírez-Aberasturis

The aim of the present study is to establish some properties for q-Bessel matrix polynomials such as several q-differential matrix equation, q-differential matrix relations and q-recurrence matrix relations, and integral representation,…

General Mathematics · Mathematics 2025-10-23 Ayman Shehata , M. Tawfik , Ayman M. Mahmoud , Nada Mostafa

We introduce and study a new class of higher order differential operators defined on $\mathbb{R}^{n}$, which are built with H\"{o}rmander vector fields, homogeneous w.r.t. a family of dilations (but not left invariant w.r.t. any structure…

Analysis of PDEs · Mathematics 2026-02-06 Stefano Biagi , Marco Bramanti

We present a shuffle realization of the GKLO-type homomorphisms for shifted quantum affine, toroidal, and quiver algebras, thus generalizing its rational version of arXiv:2104.14518 and the type A construction of arXiv:1811.12137. As an…

Representation Theory · Mathematics 2023-02-20 Alexander Tsymbaliuk

This research note deals with the evaluation of some generalized beta-type integral operators involving the multi-index Mittag-Leffler function $E_{\epsilon_{i}),(\omega_{i})}(z)$. Further, we derive a new family of beta-type integrals…

Classical Analysis and ODEs · Mathematics 2020-06-16 M. Ali , M. Ghayasuddin , R. B. Paris

We present a conjecture generalizing the Cauchy formula for Macdonald polynomials. This conjecture encodes the mixed Hodge polynomials of the character varieties of representations of the fundamental group of a Riemann surface of genus g to…

Representation Theory · Mathematics 2019-12-19 T. Hausel , E. Letellier , F. Rodriguez-Villegas

We consider a class of homogeneous partial differential operators on a finite-dimensional vector space and study their associated heat kernels. The heat kernels for this general class of operators are seen to arise naturally as the limiting…

Analysis of PDEs · Mathematics 2016-12-23 Evan Randles , Laurent Saloff-Coste

This article gives a brief introduction to $q$-special functions, i.e., $q$-analogues of the classical special functions. Here $q$ is a deformation parameter, usually $0<q<1$, where $q=1$ is the classical case. The main topics to be treated…

Classical Analysis and ODEs · Mathematics 2023-08-08 Tom H. Koornwinder

We study the q-analogue of Euler-Maclaurin formula and by introducing a new q-operator we drive to this form. Moreover, approximation properties of q-Bernoulli polynomials is discussed. We estimate the suitable functions as a combination of…

Classical Analysis and ODEs · Mathematics 2017-11-06 Mohammad Momenzadeh , Ibrahim Yusuf Kakangi

Starting on the basis of the non-commutative q-differential calculus, we introduce a generalized q-deformed Schr\"odinger equation. It can be viewed as the quantum stochastic counterpart of a generalized classical kinetic equation, which…

Mathematical Physics · Physics 2009-11-13 A. Lavagno

The aim of this paper is to study the q-Laplace operator and q-harmonic polynomials on the quantum complex vector space generated by z_i,w_i, i=1,2,...,n, on which the quantum group GL_q(n) (or U_q(n)) acts. The q-harmonic polynomials are…

Quantum Algebra · Mathematics 2009-11-07 N. Z. Iorgov , A. U. Klimyk

In this paper all deformations of the general linear group, subject to certain restrictions which in particular ensure a smooth passage to the Lie group limit, are obtained. Representations are given in terms of certains sets of creation…

High Energy Physics - Theory · Physics 2009-10-28 D. B. Fairlie , J. Nuyts

Different finite difference replacements for the derivative are analyzed in the context of the Heisenberg commutation relation. The type of the finite difference operator is shown to be tied to whether one can naturally consider $P$ and $X$…

High Energy Physics - Theory · Physics 2009-10-30 Andrzej Z. Gorski , Jacek Szmigielski

We develop general expressions for the raising and lowering operators that belong to the orthogonal polynomials of hypergeometric type with discrete and continuous variable. We construct the creation and annihilation operators that…

Mathematical Physics · Physics 2007-05-23 M. Lorente

Several kinds of q-orthogonal polynomials with |q|=1 are constructed as the main parts of the eigenfunctions of new solvable discrete quantum mechanical systems. Their orthogonality weight functions consist of quantum dilogarithm functions,…

Mathematical Physics · Physics 2016-01-22 Satoru Odake , Ryu Sasaki

In this paper we give the q-analogue of the higher-order Bessel operators studied by M. I. Klyuchantsev [12] and A. Fitouhi, N. H. Mahmoud and S. A. Ould Ahmed Mahmoud [3]. Our objective is twofold. First, using the q-Jackson integral and…

Mathematical Physics · Physics 2022-04-26 M. S. Ben Hammouda , Akram Nemri

We introduce the Cauchy augmentation operator for basic hypergeometric series. Heine's ${}_2\phi_1$ transformation formula and Sears' ${}_3\phi_2$ transformation formula can be easily obtained by the symmetric property of some parameters in…

Combinatorics · Mathematics 2007-08-21 Vincent Y. B. Chen , Nancy S. S. Gu

In this paper, we construct the alternating multiple q-zeta function(= Multiple Euler q-zeta function) and investigate their properties. Finally, we give some interesting functional eauations related to q-Euler polynomials.

Number Theory · Mathematics 2009-12-31 T. Kim