The Rahman Polynomials Are Bispectral

In a very recent paper, M. Rahman introduced a remarkable family of polynomials in two variables as the eigenfunctions of the transition matrix for a nontrivial Markov chain due to M. Hoare and M. Rahman. I indicate here that these polynomials are bispectral. This should be just one of the many rema...

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Main Author: F. Alberto Grünbaum
Format: Article
Language:English
Published: National Academy of Science of Ukraine 2007-05-01
Series:Symmetry, Integrability and Geometry: Methods and Applications
Subjects:
Online Access:http://www.emis.de/journals/SIGMA/2007/065/
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author F. Alberto Grünbaum
author_facet F. Alberto Grünbaum
author_sort F. Alberto Grünbaum
collection DOAJ
description In a very recent paper, M. Rahman introduced a remarkable family of polynomials in two variables as the eigenfunctions of the transition matrix for a nontrivial Markov chain due to M. Hoare and M. Rahman. I indicate here that these polynomials are bispectral. This should be just one of the many remarkable properties enjoyed by these polynomials. For several challenges, including finding a general proof of some of the facts displayed here the reader should look at the last section of this paper.
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spelling doaj.art-437580b8de074dafa25d04fe41c3ca462022-12-22T01:16:08ZengNational Academy of Science of UkraineSymmetry, Integrability and Geometry: Methods and Applications1815-06592007-05-013065The Rahman Polynomials Are BispectralF. Alberto GrünbaumIn a very recent paper, M. Rahman introduced a remarkable family of polynomials in two variables as the eigenfunctions of the transition matrix for a nontrivial Markov chain due to M. Hoare and M. Rahman. I indicate here that these polynomials are bispectral. This should be just one of the many remarkable properties enjoyed by these polynomials. For several challenges, including finding a general proof of some of the facts displayed here the reader should look at the last section of this paper.http://www.emis.de/journals/SIGMA/2007/065/bispectral propertymultivariable polynomialsrings of commuting difference operators
spellingShingle F. Alberto Grünbaum
The Rahman Polynomials Are Bispectral
Symmetry, Integrability and Geometry: Methods and Applications
bispectral property
multivariable polynomials
rings of commuting difference operators
title The Rahman Polynomials Are Bispectral
title_full The Rahman Polynomials Are Bispectral
title_fullStr The Rahman Polynomials Are Bispectral
title_full_unstemmed The Rahman Polynomials Are Bispectral
title_short The Rahman Polynomials Are Bispectral
title_sort rahman polynomials are bispectral
topic bispectral property
multivariable polynomials
rings of commuting difference operators
url http://www.emis.de/journals/SIGMA/2007/065/
work_keys_str_mv AT falbertogrunbaum therahmanpolynomialsarebispectral
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