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math.QA2009
Compact coalgebras, compact quantum groups and the positive antipode
A. Abella, W. Ferrer Santos, M. Haim
In this article -that has also the intention to survey some known results in the theory of compact quantum groups using methods different from the standard and with a strong algebr…
math.QA2006
Group-Like algebras and Hadamard matrices
Mariana Haim
We give a description in terms of square matrices of the family of group-like algebras with . In the case that and is not 2 and does not divide the…