Lifting via cocycle deformation

Autores: Nicolás Andruskiewitsch, Iván Angiono, Agustín García Iglesias, Akira Masuoka, Cristian Vay
Localización: Journal of pure and applied algebra, ISSN 0022-4049, Vol. 218, Nº 4, 2014, págs. 684-703
Idioma: inglés
DOI: 10.1016/j.jpaa.2013.08.008
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Resumen
- We develop a strategy to compute all liftings of a Nichols algebra over a finite dimensional cosemisimple Hopf algebra. We produce them as cocycle deformations of the bosonization of these two. In parallel, we study the shape of any such lifting.