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Bilattices and Morita Equivalence of MASA Bimodules

Part of: Linear spaces and algebras of operators

Published online by Cambridge University Press:  20 November 2015

G. K. Eleftherakis
G. K. Eleftherakis*
Affiliation:
University of Patras, Faculty of Sciences, Department of Mathematics, 265 00 Patras, Greece (gelefth@math.upatras.gr)
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Abstract

We define an equivalence relation between bimodules over maximal abelian self-adjoint algebras (MASA bimodules), which we call spatial Morita equivalence. We prove that two reflexive MASA bimodules are spatially Morita equivalent if and only if their (essential) bilattices are isomorphic. We also prove that if are bilattices that correspond to reflexive MASA bimodules , and is an onto bilattice homomorphism, then

(i) if is synthetic, then is synthetic;

(ii) if contains a non-zero compact (or a finite or a rank 1) operator, then also contains a non-zero compact (or a finite or a rank 1) operator.

Keywords

MASA bimodulesMorita equivalencereflexivity

MSC classification

Secondary: 47L35: Nest algebras, CSL algebras 47L05: Linear spaces of operators
Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 59 , Issue 3 , August 2016 , pp. 605 - 621
Copyright
Copyright © Edinburgh Mathematical Society 2015 

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