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math.QA2013★ 1 cited
Multiplier Hopf algebroids. Basic theory and examples
Thomas Timmermann, Alfons Van Daele
Multiplier Hopf algebroids are algebraic versions of quantum groupoids that generalize Hopf algebroids to the non-unital case and weak (multiplier) Hopf algebras to non-separable b…
math.RA2013★ 13 cited
Separability Idempotents and Multiplier Algebras
Alfons Van Daele
Consider two non-degenerate algebras B and C over the complex numbers. We study a certain class of idempotent elements E in the multiplier algebra of the tensor product of B with C…