most citedQuantum torsors with fewer axioms

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math.QA2002★ 9 cited

Quantum torsors and Hopf-Galois objects

Peter Schauenburg

We prove that every faithfully flat Hopf-Galois object is a quantum torsor in the sense of Grunspan.

math.QA2002★ 1 cited

Two characterizations of finite quasi-Hopf algebras

Peter Schauenburg

Let H be a finite-dimensional quasibialgebra. We show that H is a quasi-Hopf algebra if and only if the category of its finite-dimensional left modules is rigid if and only if a st…