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Related papers: q-Special functions, a tutorial

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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

This is a tutorial on duality properties of special functions, mainly of orthogonal polynomials in the ($q$-)Askey scheme. It is based on the first part of the 2017 R.P. Agarwal Memorial Lecture delivered by the author.

Classical Analysis and ODEs · Mathematics 2024-04-01 Tom H. Koornwinder

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

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

We list the so-called Askey-scheme of hypergeometric orthogonal polynomials. In chapter 1 we give the definition, the orthogonality relation, the three term recurrence relation and generating functions of all classes of orthogonal…

Classical Analysis and ODEs · Mathematics 2016-09-06 Roelof Koekoek , René F. Swarttouw

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

A unifying scheme of classical special functions of hypergeometric type obeying orthogonality or biorthogonality relations is described. It expands the Askey scheme of classical orthogonal polynomials and its $q$-analogue based on the…

Classical Analysis and ODEs · Mathematics 2024-03-26 Vyacheslav P. Spiridonov

In this paper, we consider the q-extensions of Boole polynomials. From those polynomials, we derive some new and interesting properties and identities related to special polynomials.

Number Theory · Mathematics 2014-03-19 Dae San Kim , Taekyun Kim , Jong Jin Seo

The connection between q-analogs of special functions and representations of quantum algebras has been developed recently. It has led to advances in the theory of q-special functions that we here review.

High Energy Physics - Theory · Physics 2008-02-03 R. Floreanini , L. Vinet

We give an overview about well-known basic properties of two classes of q-Fibonacci and q-Lucas polynomials and offer a common generalization.

History and Overview · Mathematics 2011-04-15 Johann Cigler

It is well known that the classical families of orthogonal polynomials are characterized as eigenfunctions of a second order linear differential/difference operator. In this paper we present a study of classical orthogonal polynomials in a…

Classical Analysis and ODEs · Mathematics 2020-06-30 R. S. Costas-Santos , F. Marcellan

Fractional $q$-extensions of some classical $q$-orthogonal polynomials are introduced and some of the main properties of the new defined functions are given. Next, a fractional $q$-difference equation of Gauss type is introduced and solved…

Classical Analysis and ODEs · Mathematics 2016-12-28 P. Njionou Sadjang , S. Mboutngam

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

A special Infeld-Hall factorization is given for the Askey-Wilson second order q-difference operator. It is then shown how to deducd a generalization of the corresponding Askey-Wilson polynomials.

Classical Analysis and ODEs · Mathematics 2016-09-07 Gaspard Bangerezako

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

A new $q$-analogue of Appell polynomial sequences and their generalizations are introduced and their main characterizations are proved. As consequences new $q$-analogue of Bernoulli and Euler polynomials and numbers is introduced, their…

Classical Analysis and ODEs · Mathematics 2018-01-29 P. Njionou Sadjang

The Askey-Wilson function transform is a q-analogue of the Jacobi function transform with kernel given by an explicit non-polynomial eigenfunction of the Askey-Wilson second order q-difference operator. The kernel is called the Askey-Wilson…

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

We derive generalized generating functions for basic hypergeometric orthogonal polynomials by applying connection relations with one free parameter to them. In particular, we generalize generating functions for the Askey-Wilson, continuous…

Classical Analysis and ODEs · Mathematics 2018-06-01 Howard S. Cohl , Roberto S. Costas-Santos , Philbert R. Hwang , Tanay Wakhare

In this paper, we construct the new $q$-analogue of the ordinary Euler numbers and polynomials by using the $q$-Volkenborn integrals.

Number Theory · Mathematics 2007-05-23 T. Kim

This note gives a simple approach to q-analogues of some results associated with Abel polynomials.

Combinatorics · Mathematics 2008-03-11 Johann Cigler
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