32 citations · 81 across the 30 of their papers we have counts for
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math.DG2008★ 1 cited
On slim double Lie groupoids
Nicolas Andruskiewitsch, Jesus Alonso Ochoa Arango, Alejandro Tiraboschi
We prove that every slim double Lie groupoid with proper core action is completely determined by a factorization of a certain canonically defined "diagonal" Lie groupoid.
math.QA2008★ 11 cited
The Nichols algebra of a semisimple Yetter-Drinfeld module
N. Andruskiewitsch, I. Heckenberger, H. -J. Schneider
We study the Nichols algebra of a semisimple Yetter-Drinfeld module and introduce new invariants such as real roots. The crucial ingredient is a `reflection' in the class of such N…