Bispectrality of the Complementary Bannai-Ito Polynomials

A one-parameter family of operators that have the complementary Bannai-Ito (CBI) polynomials as eigenfunctions is obtained. The CBI polynomials are the kernel partners of the Bannai-Ito polynomials and also correspond to a q→−1 limit of the Askey-Wilson polynomials. The eigenvalue equations for the...

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Published in:Symmetry, Integrability and Geometry: Methods and Applications
Date:2013
Main Authors: Genest, V.X., Vinet, L., Zhedanov, A.
Format: Article
Language:English
Published: Інститут математики НАН України 2013
Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/149225
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Bispectrality of the Complementary Bannai-Ito Polynomials / V.X. Genest, L. Vinet, A. Zhedanov // Symmetry, Integrability and Geometry: Methods and Applications. — 2013. — Т. 9. — Бібліогр.: 31 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Genest, V.X.
Vinet, L.
Zhedanov, A.
author_facet Genest, V.X.
Vinet, L.
Zhedanov, A.
citation_txt Bispectrality of the Complementary Bannai-Ito Polynomials / V.X. Genest, L. Vinet, A. Zhedanov // Symmetry, Integrability and Geometry: Methods and Applications. — 2013. — Т. 9. — Бібліогр.: 31 назв. — англ.
collection DSpace DC
container_title Symmetry, Integrability and Geometry: Methods and Applications
description A one-parameter family of operators that have the complementary Bannai-Ito (CBI) polynomials as eigenfunctions is obtained. The CBI polynomials are the kernel partners of the Bannai-Ito polynomials and also correspond to a q→−1 limit of the Askey-Wilson polynomials. The eigenvalue equations for the CBI polynomials are found to involve second order Dunkl shift operators with reflections and exhibit quadratic spectra. The algebra associated to the CBI polynomials is given and seen to be a deformation of the Askey-Wilson algebra with an involution. The relation between the CBI polynomials and the recently discovered dual −1 Hahn and para-Krawtchouk polynomials, as well as their relation with the symmetric Hahn polynomials, is also discussed.
first_indexed 2025-12-07T18:19:30Z
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institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 1815-0659
language English
last_indexed 2025-12-07T18:19:30Z
publishDate 2013
publisher Інститут математики НАН України
record_format dspace
spelling Genest, V.X.
Vinet, L.
Zhedanov, A.
2019-02-19T19:01:13Z
2019-02-19T19:01:13Z
2013
Bispectrality of the Complementary Bannai-Ito Polynomials / V.X. Genest, L. Vinet, A. Zhedanov // Symmetry, Integrability and Geometry: Methods and Applications. — 2013. — Т. 9. — Бібліогр.: 31 назв. — англ.
1815-0659
2010 Mathematics Subject Classification: 33C02; 16G02
DOI: http://dx.doi.org/10.3842/SIGMA.2013.018
https://nasplib.isofts.kiev.ua/handle/123456789/149225
A one-parameter family of operators that have the complementary Bannai-Ito (CBI) polynomials as eigenfunctions is obtained. The CBI polynomials are the kernel partners of the Bannai-Ito polynomials and also correspond to a q→−1 limit of the Askey-Wilson polynomials. The eigenvalue equations for the CBI polynomials are found to involve second order Dunkl shift operators with reflections and exhibit quadratic spectra. The algebra associated to the CBI polynomials is given and seen to be a deformation of the Askey-Wilson algebra with an involution. The relation between the CBI polynomials and the recently discovered dual −1 Hahn and para-Krawtchouk polynomials, as well as their relation with the symmetric Hahn polynomials, is also discussed.
V.X.G. holds a scholarship from Fonds de recherche qu´eb´ecois – nature et technologies (FRQNT).
 The research of L.V. is supported in part by the Natural Science and Engineering Council of
 Canada (NSERC). A.Z. would like to thank the Centre de Recherches Math´ematiques (CRM)
 for its hospitality
en
Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Bispectrality of the Complementary Bannai-Ito Polynomials
Article
published earlier
spellingShingle Bispectrality of the Complementary Bannai-Ito Polynomials
Genest, V.X.
Vinet, L.
Zhedanov, A.
title Bispectrality of the Complementary Bannai-Ito Polynomials
title_full Bispectrality of the Complementary Bannai-Ito Polynomials
title_fullStr Bispectrality of the Complementary Bannai-Ito Polynomials
title_full_unstemmed Bispectrality of the Complementary Bannai-Ito Polynomials
title_short Bispectrality of the Complementary Bannai-Ito Polynomials
title_sort bispectrality of the complementary bannai-ito polynomials
url https://nasplib.isofts.kiev.ua/handle/123456789/149225
work_keys_str_mv AT genestvx bispectralityofthecomplementarybannaiitopolynomials
AT vinetl bispectralityofthecomplementarybannaiitopolynomials
AT zhedanova bispectralityofthecomplementarybannaiitopolynomials