65 citations · 239 across the 22 of their papers we have counts for
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math.QA2006
A Schneider type theorem for Hopf algebroids
Alessandro Ardizzoni, Gabriella Böhm, Claudia Menini
Comodule algebras of a Hopf algebroid H with a bijective antipode, i.e. algebra extensions B\subseteq A by H, are studied. Assuming that a lifted canonical map is a split epimorphi…
math.QA2006
Pre-torsors and equivalences
Gabriella Böhm, Tomasz Brzezinski
Properties of (most general) non-commutative torsors or A-B torsors are analysed. Starting with pre-torsors it is shown that they are equivalent to a certain class of Galois extens…