Article ID Journal Published Year Pages File Type
1898422 Journal of Geometry and Physics 2016 7 Pages PDF
Abstract

We present results and motivating problems in the study of commutants of hermitian nn-tuples of Hilbert space operators modulo normed ideals. In particular, the C∗C∗-algebras which arise in this context as coronas of non-C∗C∗-Banach algebras, the connections with normed ideal perturbations of operators, the hyponormal operators and the bidual Banach algebras one encounters are discussed.

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Physical Sciences and Engineering Mathematics Mathematical Physics
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