On Hopf Algebra Extensions Arising from Semi-Direct Products of Groups

Mitja Mastnak

doi:10.1007/978-1-4613-0235-3_9

On Hopf Algebra Extensions Arising from Semi-Direct Products of Groups

Mitja Mastnak

https://doi.org/10.1007/978-1-4613-0235-3_9

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Publication Date: Sep 19, 2002

Citations: 12

Affiliation: Dalhousie University

#Semi-Direct Products Of Groups #Hopf Algebra Extensions + Show 7 more

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Abstract

Hopf algebra extensions arising from a matched pair of groups were introduced by G.I. Kac ([Kac] ). He established an exact sequence (the Kac sequence) that connects group cohomology and Hopf algebra extensions. This was recently considered and generalized by other authors (for instance A. Masuoka in [Mal], [Ma2]).

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