2002•arXiv (Cornell University)Open access
Construction of Cocycle Bicrossproducts by Twisting
Grichka Bogdanoff, Igor Bogdanoff
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Abstract
We consider a generalisation of the Majid's mirror product of a Hopf algebra H, when one of the components of the product is replaced by a twist. This leads to a new "twisted mirror product" construction for cocycle bicrossproduct Hopf algebra where c is a 2-cocycle of "twisting" type. As an application, we obtain a canonical cocycle bicrossproduct for any Hopf algebra H.
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