A quasi-Hopf algebra freeness theorem

2002/04/10 by Peter Schauenburg, Schauenburg, Peter
Mathematics · #16W30 #Advanced Topics in Algebra #Algebraic structures and combinatorial models #FOS: Mathematics #Quantum Algebra (math.QA) #Rings, Modules, and Algebras #math.QA #msc:16W30

paper · pdf · doi:10.48550/arxiv.math/0204141

7 pages

arxiv created 2002/04/10 · openalex publication_date 2002/04/10 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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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