The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1)
The 9j symbols of su(1,1) are studied within the framework of the generic superintegrable system on the 3-sphere. The canonical bases corresponding to the binary coupling schemes of four su(1,1) representations are constructed explicitly in terms of Jacobi polynomials and are seen to correspond to t...
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| Veröffentlicht in: | Symmetry, Integrability and Geometry: Methods and Applications |
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| Datum: | 2014 |
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| Format: | Artikel |
| Sprache: | English |
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Інститут математики НАН України
2014
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/146406 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) / Vincent X. Genest, L. Vinet // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 34 назв. — англ. |
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Vincent X. Genest Vinet, L. 2019-02-09T11:38:54Z 2019-02-09T11:38:54Z 2014 The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) / Vincent X. Genest, L. Vinet // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 34 назв. — англ. 1815-0659 2010 Mathematics Subject Classification: 33C50; 81R05 DOI:10.3842/SIGMA.2014.108 https://nasplib.isofts.kiev.ua/handle/123456789/146406 The 9j symbols of su(1,1) are studied within the framework of the generic superintegrable system on the 3-sphere. The canonical bases corresponding to the binary coupling schemes of four su(1,1) representations are constructed explicitly in terms of Jacobi polynomials and are seen to correspond to the separation of variables in different cylindrical coordinate systems. A triple integral expression for the 9j coefficients exhibiting their symmetries is derived. A double integral formula is obtained by extending the model to the complex three-sphere and taking the complex radius to zero. The explicit expression for the vacuum coefficients is given. Raising and lowering operators are constructed and are used to recover the relations between contiguous coefficients. It is seen that the 9j symbols can be expressed as the product of the vacuum coefficients and a rational function. The recurrence relations and the difference equations satisfied by the 9j coefficients are derived. V.X.G. holds an Alexander-Graham-Bell fellowship from the Natural Sciences and Engineering Research Council of Canada (NSERC). The research of L.V. is supported in part by NSERC. en Інститут математики НАН України Symmetry, Integrability and Geometry: Methods and Applications The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) |
| spellingShingle |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) Vincent X. Genest Vinet, L. |
| title_short |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) |
| title_full |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) |
| title_fullStr |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) |
| title_full_unstemmed |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) |
| title_sort |
generic superintegrable system on the 3-sphere and the 9j symbols of su(1, 1) |
| author |
Vincent X. Genest Vinet, L. |
| author_facet |
Vincent X. Genest Vinet, L. |
| publishDate |
2014 |
| language |
English |
| container_title |
Symmetry, Integrability and Geometry: Methods and Applications |
| publisher |
Інститут математики НАН України |
| format |
Article |
| description |
The 9j symbols of su(1,1) are studied within the framework of the generic superintegrable system on the 3-sphere. The canonical bases corresponding to the binary coupling schemes of four su(1,1) representations are constructed explicitly in terms of Jacobi polynomials and are seen to correspond to the separation of variables in different cylindrical coordinate systems. A triple integral expression for the 9j coefficients exhibiting their symmetries is derived. A double integral formula is obtained by extending the model to the complex three-sphere and taking the complex radius to zero. The explicit expression for the vacuum coefficients is given. Raising and lowering operators are constructed and are used to recover the relations between contiguous coefficients. It is seen that the 9j symbols can be expressed as the product of the vacuum coefficients and a rational function. The recurrence relations and the difference equations satisfied by the 9j coefficients are derived.
|
| issn |
1815-0659 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/146406 |
| citation_txt |
The Generic Superintegrable System on the 3-Sphere and the 9j Symbols of su(1, 1) / Vincent X. Genest, L. Vinet // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 34 назв. — англ. |
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2025-12-07T16:53:14Z |
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2025-12-07T16:53:14Z |
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