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math.CT2019★ 3 cited
A Larson-Sweedler Theorem for Hopf V-Categories
Mitchell Buckley, Timmy Fieremans, Christina Vasilakopoulou +1
The aim of this paper is to extend the classical Larson-Sweedler theorem, namely that a k-bialgebra has a non-singular integral (and in particular is Frobenius) if and only if it i…
math.CT2017★ 2 cited
Oplax Hopf Algebras
Mitchell Buckley, Timmy Fieremans, Christina Vasilakopoulou +1
We introduce the notion of an oplax Hopf monoid in any braided monoidal bicategory, generalizing that of a Hopf monoid in a braided monoidal category in an appropriate way. We show…