Generating Series for Nested Bethe Vectors

We reformulate nested relations between off-shell Uq(^glN) Bethe vectors as a certain equation on generating series of strings of the composed Uq(^glN) currents. Using inversion of the generating series we find a new type of hierarchical relations between universal off-shell Bethe vectors, useful fo...

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Published in:Symmetry, Integrability and Geometry: Methods and Applications
Date:2008
Main Authors: Khoroshkin, S., Pakuliak, S.
Format: Article
Language:English
Published: Інститут математики НАН України 2008
Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/149005
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Generating Series for Nested Bethe Vectors / S. Khoroshkin, S. Pakuliak // Symmetry, Integrability and Geometry: Methods and Applications. — 2008. — Т. 4. — Бібліогр.: 18 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-149005
record_format dspace
spelling Khoroshkin, S.
Pakuliak, S.
2019-02-19T12:54:36Z
2019-02-19T12:54:36Z
2008
Generating Series for Nested Bethe Vectors / S. Khoroshkin, S. Pakuliak // Symmetry, Integrability and Geometry: Methods and Applications. — 2008. — Т. 4. — Бібліогр.: 18 назв. — англ.
1815-0659
2000 Mathematics Subject Classification: 17B37; 81R50
https://nasplib.isofts.kiev.ua/handle/123456789/149005
We reformulate nested relations between off-shell Uq(^glN) Bethe vectors as a certain equation on generating series of strings of the composed Uq(^glN) currents. Using inversion of the generating series we find a new type of hierarchical relations between universal off-shell Bethe vectors, useful for a derivation of Bethe equation. As an example of application, we use these relations for a derivation of analytical Bethe ansatz equations [Arnaudon D. et al., Ann. Henri Poincaré 7 (2006), 1217-1268, math-ph/0512037] for the parameters of universal Bethe vectors of the algebra Uq(^gl2).
This paper is a contribution to the Special Issue on Kac–Moody Algebras and Applications. The main idea to use generating series for the description of the hierarchical Bethe ansatz appeared during authors visit to Max-Planck Institute f¨ur Mathematik, Bonn, in January, 2008. Authors acknowledge this scientific center for the hospitality and stimulating scientific atmosphere.This work was partially done when the second author (S.P.) visited Laboratoire d’Annecy-LeVieux de Physique Th´eorique in 2006 and 2007. These visits were possible due to the financial support of the CNRS-Russia exchange program on mathematical physics. He thanks LAPTH for the hospitality and stimulating scientific atmosphere. Authors are grateful to Luc Frappat and Eric Ragoucy for many helpful discussions. The authors were supported in part by RFBR grant 08-01-00392 and grant for the support of scientific schools NSh-3036.2008.2. The first author was also supported by the Atomic Energy Agency of the Russian Federation, and by the ANR grant 05-BLAN-0029-01. The second author was also supported in part by RFBR-CNRS grant 07-02-92166-CNRS.
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Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Generating Series for Nested Bethe Vectors
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title Generating Series for Nested Bethe Vectors
spellingShingle Generating Series for Nested Bethe Vectors
Khoroshkin, S.
Pakuliak, S.
title_short Generating Series for Nested Bethe Vectors
title_full Generating Series for Nested Bethe Vectors
title_fullStr Generating Series for Nested Bethe Vectors
title_full_unstemmed Generating Series for Nested Bethe Vectors
title_sort generating series for nested bethe vectors
author Khoroshkin, S.
Pakuliak, S.
author_facet Khoroshkin, S.
Pakuliak, S.
publishDate 2008
language English
container_title Symmetry, Integrability and Geometry: Methods and Applications
publisher Інститут математики НАН України
format Article
description We reformulate nested relations between off-shell Uq(^glN) Bethe vectors as a certain equation on generating series of strings of the composed Uq(^glN) currents. Using inversion of the generating series we find a new type of hierarchical relations between universal off-shell Bethe vectors, useful for a derivation of Bethe equation. As an example of application, we use these relations for a derivation of analytical Bethe ansatz equations [Arnaudon D. et al., Ann. Henri Poincaré 7 (2006), 1217-1268, math-ph/0512037] for the parameters of universal Bethe vectors of the algebra Uq(^gl2).
issn 1815-0659
url https://nasplib.isofts.kiev.ua/handle/123456789/149005
citation_txt Generating Series for Nested Bethe Vectors / S. Khoroshkin, S. Pakuliak // Symmetry, Integrability and Geometry: Methods and Applications. — 2008. — Т. 4. — Бібліогр.: 18 назв. — англ.
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first_indexed 2025-12-07T16:02:32Z
last_indexed 2025-12-07T16:02:32Z
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