A quasi-Hopf algebra freeness theorem

Schauenburg, Peter

doi:10.1090/S0002-9939-03-07181-8

A quasi-Hopf algebra freeness theorem
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Proc. Amer. Math. Soc. 132 (2004), 965-972 Request permission

Abstract:

We prove the quasi-Hopf algebra version of the Nichols-Zoeller theorem: A finite dimensional quasi-Hopf algebra is free over any quasi-Hopf subalgebra.

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