Results 41 to 50 of about 132,731 (333)

A Dunkl-classical d-symmetric d-orthogonal polynomial set [PDF]

open access: yesRendiconti di Matematica e delle Sue Applicazioni, 2010
In this paper, we apply a d-orthogonality preserving operator to the Humbert polynomials to derive a new Dunkl-classical d-orthogonal polynomials generalizing the Humbert ones.
Y. Ben Cheikh, M. Gaied
doaj  

Representing by Orthogonal Polynomials for Sums of Finite Products of Fubini Polynomials

open access: yesMathematics, 2019
In the classical connection problem, it is dealt with determining the coefficients in the expansion of the product of two polynomials with regard to any given sequence of polynomials.
Dae San Kim   +3 more
doaj   +1 more source

On some Sobolev spaces with matrix weights and classical type Sobolev orthogonal polynomials [PDF]

open access: yesJournal of difference equations and applications (Print), 2020
For every system of OPRL or OPUC, we construct Sobolev orthogonal polynomials , with explicit integral representations involving . Two concrete families of Sobolev orthogonal polynomials (depending on an arbitrary number of complex parameters) which are ...
S. Zagorodnyuk
semanticscholar   +1 more source

On an system of “classical” polynomials of simultaneous orthogonality

open access: yesJournal of Computational and Applied Mathematics, 1996
Let \(Q_{\overline n}(x)\), \(\overline n=(n_1,n_2)\), be the system of polynomials of simultaneous orthogonality [see \textit{E. M. Nikishin} and \textit{V. N. Sorokin}: ``Rational approximations and orthogonality'' (Russian orig. 1988; Zbl 0718.41002; Engl. transl. 1991; Zbl 0733.41001)] with \(\Delta_1=[a;0]\), \(\Delta_2=[0;1] (-1\leq a-1)\).
André Ronveaux, V. Kaliaguine
openaire   +3 more sources

Determinant inequalities for sieved ultraspherical polynomials

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
Paul Turan first observed that the Legendre polynomials satisfy the inequality Pn2(x)−Pn−1(x)Pn(x)>0 ...
J. Bustoz, I. S. Pyung
doaj   +1 more source

Multivariate Jacobi and Laguerre polynomials, infinite-dimensional extensions, and their probabilistic connections with multivariate Hahn and Meixner polynomials [PDF]

open access: yes, 2011
Multivariate versions of classical orthogonal polynomials such as Jacobi, Hahn, Laguerre, Meixner are reviewed and their connection explored by adopting a probabilistic approach.
Griffiths, Robert C., Spanò, Dario
core   +1 more source

Calogero-Sutherland-Moser Systems, Ruijsenaars-Schneider-van Diejen Systems and Orthogonal Polynomials

open access: yes, 2005
The equilibrium positions of the multi-particle classical Calogero-Sutherland-Moser (CSM) systems with rational/trigonometric potentials associated with the classical root systems are described by the classical orthogonal polynomials; the Hermite ...
Odake, S., Sasaki, R.
core   +2 more sources

A Survey on q-Polynomials and their Orthogonality Properties [PDF]

open access: yes, 2010
In this paper we study the orthogonality conditions satisfied by the classical q-orthogonal polynomials that are located at the top of the q-Hahn tableau (big q-jacobi polynomials (bqJ)) and the Nikiforov-Uvarov tableau (Askey-Wilson polynomials (AW ...
Alfaro   +21 more
core   +1 more source

On a new characterization of the classical orthogonal polynomials

open access: yesJournal of Approximation Theory, 1992
The truncated and reversed measure \(\mu_ n^ R\) is defined on \([0;1]\), \([0;\infty)\), or \((-\infty;\infty)\) as a measure corresponding to \((2n- 1)\)-th approximant of a \(g\)-fraction, \(n\)-th approximant of a modified \(S\)-fraction, or \(n\)-th approximant of a \(J\)-fraction correspondingly [see \textit{W. B. Jones} and \textit{W.J.
Holger Dette, W. J. Studden
openaire   +2 more sources

Discrete semi-classical orthogonal polynomials of class one on quadratic lattices

open access: yesJournal of difference equations and applications (Print), 2018
We study orthogonal polynomials on quadratic lattices with respect to Stieltjes functions, S, that satisfy a difference equation where A is a polynomial of degree less or equal than 3 and C is a polynomial of degree greater or equal than 1 and less or ...
G. Filipuk, M. N. Rebocho
semanticscholar   +1 more source

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