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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

Zap. Nauchn. Sem. POMI, 2004 Volume 307, Pages 175–188 (Mi znsl844)

Explicit equivalence bimodules for rotation algebras

H. Narnhofer

Faculty of Physics

Abstract: $C^*$-algebras associated with irrational rotations are Morita equivalent iff the rotation parameters belong to the same orbit under the action of $GL(2,Z)$. In this note we offer explicit type II representations such that the bimodule is dense in the corresponding Hilbert space.

UDC: 517.986

Received: 09.03.2004

Language: English


 English version:
Journal of Mathematical Sciences (New York), 2005, 131:2, 5538–5546

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