Extending lazy 2-cocycles on Hopf algebras and lifting projective representations afforded by them

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We study some problems related to lazy 2-cocycles, such as: extension of (lazy) 2-cocycles to a Drinfeld double and to a Radford biproduct, Yetter-Drinfeld data obtained from lazy 2-cocycles, lifting of projective representations afforded by lazy 2-cocycles.
25 pages

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Quantum Algebra, Rings and Algebras, 16W30

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http://salesiana.dossiersoluciones.com/handle/123456789/73664

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0412425
 http://arxiv.org/abs/math/0412425

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arXiv