Pointed Hopf algebras and Quasi-isomorphisms

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We show that a large class of finite dimensional pointed Hopf algebras is quasi-isomorphic to their associated graded version coming from the coradical filtration, i.e. they are 2-cocycle deformations of the latter. This supports a slightly specialized form of a conjecture of Masuoka.
19 pages, added section with new result, rest mainly unchanged

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Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/63223

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0201276
 http://arxiv.org/abs/math/0201276

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arXiv