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Related papers: A Note on Generalized $q$-Difference Equations and…

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In the lecture notes we start off with an introduction to the $q$-hypergeometric series, or basic hypergeometric series, and we derive some elementary summation and transformation results. Then the $q$-hypergeometric difference equation is…

Classical Analysis and ODEs · Mathematics 2018-08-13 Erik Koelink

In this paper, we use the generalized q-polynomials with double q-binomial coefficients and homogeneous q-operators [J. Difference Equ. Appl. 20 (2014), 837--851.] to construct q-difference equations with seven variables, which generalize…

Combinatorics · Mathematics 2021-12-23 Jian Cao , Sama Arjika , Mahouton Norbert Hounkonnou

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

In this paper, we found new q-binomial formula for Q-commutative operators. Expansion coefficients in this formula are given by q-binomial coefficients with two bases (q,Q), determined by Q-commutative q-Pascal triangle. Our formula…

Quantum Algebra · Mathematics 2012-02-13 Sengul Nalci , Oktay Pashaev

In this paper, we use the effect of the $q$-differential and deformed $q$-exponential operators on basic hypergeometric series to find new $q$-identities from the $q$-Gauss sum, the $q$-Chu-Vandermonde's sum, and Jackson's transformation…

Combinatorics · Mathematics 2025-02-28 Ronald Orozco López

We prove two generalisations of the Binomial theorem that are also generalisations of the q-binomial theorem. These generalisations arise from the commutation relations satisfied by the components of the co-multiplications of non-simple…

Quantum Algebra · Mathematics 2007-05-23 Sacha C. Blumen

In this paper we present an addition to Askey's scheme of q-hypergeometric orthogonal polynomials involving classes of q-special functions which do not consist of polynomials only. The special functions are q-analogues of the Jacobi and…

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

Using a general $q$-series expansion, we derive some nontrivial $q$-formulas involving many infinite products. A multitude of Hecke--type series identities are derived. Some general formulas for sums of any number of squares are given. A…

Number Theory · Mathematics 2018-05-15 Zhi-Guo Liu

In this paper, we investigate applications of the ordinary derivative operator, instead of the $q$-derivative operator, to the theory of $q$-series. As main results, many new summation and transformation formulas are established which are…

Combinatorics · Mathematics 2023-08-15 Jin Wang , Ruiqi Ruan , Xinrong Ma

The aim of this paper is to present a general algebraic identity. Applying this identity, we provide several formulas involving the q-binomial coefficients and the q-harmonic numbers. We also recover some known identities including an…

Combinatorics · Mathematics 2023-02-01 Said Zriaa , Mohammed Mouçouf

We state and prove a number of unilateral and bilateral $q$-series identities and explore some of their consequences. Those include certain generalizations of the $q$-binomial sum which also generalize the $q$-Airy function introduced by…

Classical Analysis and ODEs · Mathematics 2016-02-02 Ahmad El-Guindy , Mourad E. H. Ismail

A general addition formula for a two-parameter family of Askey-Wilson polynomials is derived from the quantum $SU(2)$ group theoretic interpretation. This formula contains most of the previously known addition formulas for $q$-Legendre…

Quantum Algebra · Mathematics 2016-09-06 Erik Koelink

$q$-analogs of special functions, including hypergeometric functions, play a central role in mathematics and have numerous applications in physics. In the theory of probability, $q$-analogs of various probability distributions have been…

Probability · Mathematics 2024-09-10 Andrew V. Sills

We start with a (q,t)-generalization of a binomial coefficient. It can be viewed as a polynomial in t that depends upon an integer q, with combinatorial interpretations when q is a positive integer, and algebraic interpretations when q is…

Combinatorics · Mathematics 2009-06-16 Victor Reiner , Dennis Stanton

In this paper, we first construct the homogeneous $q$-shift operator $\widetilde{E}(a,b;D_{q})$ and the homogeneous $q$-difference operator $\widetilde{L}(a,b; \theta_{xy})$. We then apply these operators in order to represent and…

Classical Analysis and ODEs · Mathematics 2019-08-12 Hari M. Srivastava , Sama Arjika , Abey Sherif Kelil

In the present paper, we consider (p,q)-analogue of the Beta operators and using it, we propose the integral modification of the generalized Bernstein polynomials. We estimate some direct results on local and global approximation. Also, we…

Classical Analysis and ODEs · Mathematics 2016-03-18 Gradimir V. Milovanovic , Vijay Gupta , Neha Malik

We introduce a bilateral extension of the continuous $q$-ultraspherical polynomials which we call bilateral $q$-ultraspherical functions. These functions are given as specific bilateral basic hypergeometric ${}_2\psi_2$ series, they are…

Classical Analysis and ODEs · Mathematics 2025-08-13 Michael J. Schlosser

We derive double-product representations of nonterminating basic hypergeometric series using diagonalization, a method introduced by Theo William Chaundy in 1943. We refer to this result as the $q$-Chaundy theorem and several limiting $q\to…

Classical Analysis and ODEs · Mathematics 2025-05-12 Howard S. Cohl , Roberto S. Costas-Santos

Given the growing quantity of proposals and works of basic hypergeometric functions in the scope of $q$-calculus, it is important to introduce a systematic classification of $q$-calculus. Our aim in this article is to investigate certain…

Classical Analysis and ODEs · Mathematics 2025-02-11 Ayman Shehata

We introduce the notion of $Q$-commuting operators which is a generalization of commuting operators. We prove a generalized version of commutant lifting theorem and Ando's dilation theorem in the context of $Q$-commuting operators.

Functional Analysis · Mathematics 2019-10-31 Nirupama Mallick , K. Sumesh
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