On the Comultiplication in Quantum Affine Algebras

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We express the comultiplication of the generators in Drinfelds second realization of the quantum affine algebra U_q(sl_2^), induced by the comultiplication of the generators in the Drinfeld-Jimbo realization of U_q(sl_2^) in terms of generating functions. Then we find explicit expressions for the comultiplication of the generators.
28 pages, LaTex

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Quantum Algebra, 81R50

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http://salesiana.dossiersoluciones.com/handle/123456789/77959

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9901061
 http://arxiv.org/abs/math/9901061

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arXiv