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math.OA2010
Nuclear and type I crossed products of C*-algebras by group and compact quantum group actions
Raluca Dumitru, Costel Peligrad
If A is a C*-algebra, G a locally compact group, K{\subset}G a compact subgroup and α:G{\to}Aut(A) a continuous homomorphism, let Ax_{α}G denote the crossed product. In this paper…
math.OA2010
Spectra for compact quantum group coactions and crossed products
Raluca Dumitru, Costel Peligrad
We present definitions of both Connes spectrum and strong Connes spectrum for actions of compact quantum groups on C*-algebras and obtain necessary and sufficient conditions for a…