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Partial representations of connected and smash product Hopf algebras

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arxiv 2404.17303 v1 pith:F7GRMZ7N submitted 2024-04-26 math.QA math.RAmath.RT

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keywords hopfpartialalgebraconnectedalgebrasproductrepresentationssmash
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abstract

We show that every partial representation of a connected Hopf algebra is global. Some interesting classes of partial representations of smash product Hopf algebras are studied, and a description of the partial "Hopf" algebra if the first tensorand is connected is given. If $H$ is cocommutative and has finitely many grouplikes, this allows to see $H_{par}$ as the weak Hopf algebra coming from a Hopf category.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Globalization and the biactegory of partial modules

    math.RA 2025-06 accept novelty 8.0 of 10

    Partial H-modules form a biactegory over H-modules, and for pointed Hopf algebras with finitely many grouplikes the standard dilation functor is naturally isomorphic to the Hom-object {Apar, -}.

  2. On partial representations of pointed Hopf algebras

    math.RA 2025-02 accept novelty 7.0 of 10

    For pointed Hopf algebras with finite grouplikes and invertible antipode, the partial representation algebra H_par decomposes as a direct sum of unital ideals indexed by the components of the groupoid associated to th...

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