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math.OA2002★ 62 cited
Double crossed products of locally compact quantum groups
Saad Baaj, Stefaan Vaes
For a matched pair of locally compact quantum groups, we construct the double crossed product as a locally compact quantum group. This construction generalizes Drinfeld's quantum d…
math.OA2002
Strictly outer actions of groups and quantum groups
Stefaan Vaes
An action of a locally compact group or quantum group on a factor is said to be strictly outer when the relative commutant of the factor in the crossed product is trivial. We show…