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Equivalence Bimodule Between Non-Commutative Tori
Authors:Sei-Qwon Oh  Chun-Gil Park
Affiliation:(1) Department of Mathematics, Chungnam National University, Taejon, 305-764, South Korea
Abstract:The non-commutative torus C*(Ropfn,ohgr) is realized as the C*-algebra of sections of a locally trivial C*-algebra bundle over Sohgr with fibres isomorphic to C*Ropfn/Sohgr, ohgr1) for a totally skew multiplier ohgr1 on Ropfn/Sohgr. D. Poguntke [9] proved that Aohgr is stably isomorphic to C(Sohgr) otimes C(*(prop Zn/Sohgr, ohgr1) cong C(Sohgr) otimes Aphgr otimes Mkl(prop C) for a simple non-commutative torus Aphgr and an integer kl. It is well-known that a stable isomorphism of two separable C*-algebras is equivalent to the existence of equivalence bimodule between them. We construct an Aohgr-C(Sohgr) otimes Aphgr-equivalence bimodule.
Keywords:Morita equivalent  twisted group C*-algebra  crossed product
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