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We study special functions on euclidean spaces from the viewpoint of riemannian symmetric spaces. Here the euclidean space $E^n = G/K$ where $G$ is the semidirect product $R^n \cdot K$ of the translation group with a closed subgroup $K$ of…

Representation Theory · Mathematics 2007-05-23 Joseph A. Wolf

We formulate and prove a general recurrence relation that applies to integrals involving orthogonal polynomials and similar functions. A special case are connection coefficients between two sets of orthonormal polynomials, another example…

Classical Analysis and ODEs · Mathematics 2023-08-17 Jing Gao , Arieh Iserles

We prove that the homogeneously polyanalytic functions of total order $m$, defined by the system of equations $\overline{D}^{(k_1,\ldots,k_n)} f=0$ with $k_1+\cdots+k_n=m$, can be written as polynomials of total degree $<m$ in variables…

Complex Variables · Mathematics 2021-09-15 Christian Rene Leal-Pacheco , Egor A. Maximenko , Gerardo Ramos-Vazquez

While considering nonlinear coherent states with specific anti-holomorphic coefficients $\bar{z}^n/\sqrt{x_n!}$, we identify as first associated Meixner-Pollaczek polynomials the orthogonal polynomials arising from shift operators which are…

Mathematical Physics · Physics 2017-08-14 Khalid Ahbli , Zouhair Mouayn

We construct the generating function for products of inverse central binomial coefficients with harmonic numbers.

Combinatorics · Mathematics 2021-03-03 Khristo N. Boyadzhiev

We construct new integral representations for transformations of the ordinary generating function for a sequence, $\langle f_n \rangle$, into the form of a generating function that enumerates the corresponding "square series" generating…

Number Theory · Mathematics 2017-05-18 Maxie D. Schmidt

In this paper we discuss some basic properties of octonionic Bergman and Hardy spaces. In the first part we review some fundamental concepts of the general theory of octonionic Hardy and Bergman spaces together with related reproducing…

Complex Variables · Mathematics 2023-11-15 Fabrizio Colombo , Rolf Soeren Krausshar , Irene Sabadini

In this paper, we use the homogeneous $q$-operators [J. Difference Equ. Appl. {\bf20 } (2014), 837--851.] to derive Rogers formulas, extended Rogers formulas and Srivastava-Agarwal type bilinear generating functions for Cigler's polynomials…

Combinatorics · Mathematics 2021-04-30 Sama Arjika

In this work we define a unified generating functions for 9 different kinds of set partitions including cyclically ordered set partitions. Such generating function depends on 4 parameters. We consider property of this function and provide…

Combinatorics · Mathematics 2022-08-29 Orli Herscovici

The aim of this work is to characterize all generating functions of the form $A(t)F(xtA(t)-R(t))$ for the classical orthogonal polynomials. Further generating functions are also provided by derivation.

Classical Analysis and ODEs · Mathematics 2024-12-02 Mohammed Brahim Zahaf , Mohammed Mesk

We consider and provide an accurate study for the fractional Zernike functions on the punctured unit disc, generalizing the classical Zernike polynomials and their associated $\beta$-restricted Zernike functions. Mainly, we give the…

Complex Variables · Mathematics 2023-01-23 Hajar Dkhissi , Allal Ghanmi , Safa Snoun

We derive raising and lowering operators for orthogonal polynomials on the unit circle and find second order differential and $q$-difference equations for these polynomials. A general functional equation is found which allows one to relate…

Classical Analysis and ODEs · Mathematics 2007-05-23 Mourad E. H. Ismail , Nicholas S. Witte

This note presents an elementary iterative construction of the generators for the complex $K$-groups $K_i(C(\SM^d))$ of the $d$-dimensional spheres. These generators are explicitly given as the restrictions of Dirac or Weyl Hamiltonians to…

Mathematical Physics · Physics 2024-03-29 Hermann Schulz-Baldes , Tom Stoiber

The main objective of this article is a constructive generalization of the holomorphic power and Laurent series expansions in C to dimension 3 using the framework of hypercomplex function theory. For this reason, deals the first part of…

Complex Variables · Mathematics 2010-07-13 Sebastian Bock

We present an approach to sums of random Hermitian matrices via the theory of spherical functions for the Gelfand pair $(\mathrm{U}(n) \ltimes \mathrm{Herm}(n), \mathrm{U}(n))$. It is inspired by a similar approach of Kieburg and K\"osters…

Probability · Mathematics 2022-10-05 Arno B. J. Kuijlaars , Pablo Román

The orthonormal set of Spherical Harmonics provides a natural way of expanding whole sky redshift and peculiar velocity surveys.

Astrophysics · Physics 2009-09-25 Ofer Lahav

We define a modular function which is a generalization of the elliptic modular lambda function. We show this function and the modular invariant function generate the modular function field with respect to the principal congruence subgroup.…

Number Theory · Mathematics 2015-04-21 Noburo Ishii

We obtain explicit expressions for genus 2 degenerate sigma-function in terms of genus $1$ sigma-function and elementary functions as solutions of a system of linear PDEs satisfied by the sigma-function. By way of application we derive a…

Mathematical Physics · Physics 2018-11-15 Julia Bernatska , Dmitry Leykin

In this paper, we study the relationship between the dimension of linear space of harmonic function with growth bounded by a fixed-degree polynomial on a minimal submanifold in Euclidean space and that on its one cylindrical tangent cone at…

Differential Geometry · Mathematics 2025-09-16 Yu Wang

Matrix elements and spherical functions of irreducible representations of the de Sitter group are studied on the various homogeneous spaces of this group.

Mathematical Physics · Physics 2007-08-14 V. V. Varlamov