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Related papers: On Jacobi and continuous Hahn polynomials

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In this paper Fourier transform of multivariate orthogonal polynomials on the simplex is presented. A new family of multivariate orthogonal functions is obtained by using the Parseval's identity and several recurrence relations are derived.

Classical Analysis and ODEs · Mathematics 2021-01-12 Esra Güldoğan-Lekesiz , Rabia Aktaş , Iván Area

Hahn polynomials of several variables can be defined by using the Jacobi polynomials on the simplex as a generating function. Starting from this connection, a number of properties for these two families of orthogonal polynomials are…

Classical Analysis and ODEs · Mathematics 2013-09-09 Yuan Xu

The purpose of this paper is to obtain Fourier transforms of multivariate orthogonal polynomials on the cone such as Laguerre polynomials on the cone and Jacobi polynomials on the cone and to define two new families of multivariate…

Classical Analysis and ODEs · Mathematics 2024-12-12 Rabia Aktaş Karaman , Iván Area

Fourier transform of multivariate orthogonal polynomials on the unit ball are obtained. By using Parseval's identity, a new family of multivariate orthogonal functions are introduced. The results are expressed in terms of the continuous…

Classical Analysis and ODEs · Mathematics 2022-09-19 Esra Güldoğan Lekesiz , Rabia Aktaş , Iván Area

We consider matrix orthogonal polynomials related to Jacobi type matrices of weights that can be defined in terms of a given matrix Pearson equation. Stating a Riemann-Hilbert problem we can derive first and second order differential…

Classical Analysis and ODEs · Mathematics 2022-10-03 Amílcar Branquinho , Ana Foulquié-Moreno , Assil Fradi , Manuel Mañas

Multivariate versions of classical orthogonal polynomials such as Jacobi, Hahn, Laguerre and Meixner are reviewed and their connection explored by adopting a probabilistic approach. Hahn and Meixner polynomials are interpreted as posterior…

Probability · Mathematics 2011-07-19 Robert C. Griffiths , Dario Spanó

The purpose of this paper is to obtain Fourier transforms of multivariate orthogonal structures on the paraboloid such as Laguerre polynomials on the paraboloid and Jacobi polynomials on the paraboloid, and to define two new families of…

Classical Analysis and ODEs · Mathematics 2025-09-08 Hasan Özkan Çetin , Rabia Aktaş Karaman

Orthogonal polynomials on the real line always satisfy a three-term recurrence relation. The recurrence coefficients determine a tridiagonal semi-infinite matrix (Jacobi matrix) which uniquely characterizes the orthogonal polynomials. We…

Classical Analysis and ODEs · Mathematics 2009-09-25 André Ronveaux , Walter Van Assche

We study the bispectrality of Jacobi type polynomials, which are eigenfunctions of higher-order differential operators and can be defined by taking suitable linear combinations of a fixed number of consecutive Jacobi polynomials. Jacobi…

Classical Analysis and ODEs · Mathematics 2020-12-15 Antonio J. Durán , Manuel D. de la Iglesia

This paper derives sparse recurrence relations between orthogonal polynomials on a triangle and their partial derivatives, which are analogous to recurrence relations for Jacobi polynomials. We derive these recurrences in a systematic…

Classical Analysis and ODEs · Mathematics 2018-01-30 Sheehan Olver , Alex Townsend , Geoff Vasil

We consider the unital associative algebra $\mathcal{A}$ with two generators $\mathcal{X}$, $\mathcal{Z}$ obeying the defining relation $[\mathcal{Z},\mathcal{X}]=\mathcal{Z}^2+\Delta$. We construct irreducible tridiagonal representations…

Representation Theory · Mathematics 2022-06-15 André Beaudoin , Geoffroy Bergeron , Antoine Brillant , Julien Gaboriaud , Luc Vinet , Alexei Zhedanov

We identify the Atkin polynomials in terms of associated Jacobi polynomials. Our identificationthen takes advantage of the theory of orthogonal polynomials and their asymptotics to establish many new properties of the Atkin polynomials.…

Number Theory · Mathematics 2016-01-20 Ahmad El-Guindy , Mourad E. H. Ismail

In this paper, we study a class of orthogonal polynomials defined by a three-term recurrence relation with periodic coefficients. We derive explicit formulas for the generating function, the associated continued fraction, the orthogonality…

Classical Analysis and ODEs · Mathematics 2025-07-01 Dan Dai , Mourad E. H. Ismail , Xiang-Sheng Wang

Persymmetric Jacobi matrices are invariant under reflection with respect to the anti-diagonal. The associated orthogonal polynomials have distinctive properties that are discussed. They are found in particular to be also orthogonal on the…

Classical Analysis and ODEs · Mathematics 2017-02-15 Vincent X. Genest , Satoshi Tsujimoto , Luc Vinet , Alexei Zhedanov

New bispectral polynomials orthogonal on a quadratic bi-lattice are obtained from a truncation of Wilson polynomials. Recurrence relation and difference equation are provided. The recurrence coefficients can be encoded in a perturbed…

Classical Analysis and ODEs · Mathematics 2015-11-18 Jean-Michel Lemay , Luc Vinet , Alexei Zhedanov

We investigate the differential equation for the Jacobi-type polynomials which are orthogonal on the interval $[-1,1]$ with respect to the classical Jacobi measure and an additional point mass at one endpoint. This scale of higher-order…

Classical Analysis and ODEs · Mathematics 2017-04-25 Clemens Markett

The spectral decomposition for an explicit second-order differential operator $T$ is determined. The spectrum consists of a continuous part with multiplicity two, a continuous part with multiplicity one, and a finite discrete part with…

Classical Analysis and ODEs · Mathematics 2014-05-23 Wolter Groenevelt , Erik Koelink

A hierarchy of matrix-valued polynomials which generalize the Jacobi polynomials is found. Defined by a Rodrigues formula, they are also products of a sequence of differential operators. Each class of polynomials is complete, satisfies a…

Classical Analysis and ODEs · Mathematics 2008-04-24 Rodica D. Costin

In this paper, we introduce the notion of Jacobi polynomials with multiple reference vectors of a code, and give the MacWilliams type identity for it. Moreover, we derive a formula to obtain the Jacobi polynomials using the Aronhold…

Combinatorics · Mathematics 2022-12-07 Himadri Shekhar Chakraborty , Tsuyoshi Miezaki , Manabu Oura , Yuuho Tanaka

A two-variable generalization of the Big $-1$ Jacobi polynomials is introduced and characterized. These bivariate polynomials are constructed as a coupled product of two univariate Big $-1$ Jacobi polynomials. Their orthogonality measure is…

Classical Analysis and ODEs · Mathematics 2015-06-18 Vincent X. Genest , Jean-Michel Lemay , Luc Vinet , Alexei Zhedanov
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