Extending lazy 2-cocycles on Hopf algebras and lifting projective representations afforded by them
Quantum Algebra
2007-05-23 v1 Rings and Algebras
Abstract
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.
Keywords
Cite
@article{arxiv.math/0412425,
title = {Extending lazy 2-cocycles on Hopf algebras and lifting projective representations afforded by them},
author = {Juan Cuadra and Florin Panaite},
journal= {arXiv preprint arXiv:math/0412425},
year = {2007}
}
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25 pages