Authors: Farah, Ilijas 
McKenney, Paul
Schimmerling, Ernest
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Some Calkin algebras have outer automorphisms
Journal: Archive for Mathematical Logic
Volume: 52
Issue: 5-6
First page: 517
Last page: 524
Issue Date: 8-Apr-2013
ISSN: 0933-5846
DOI: 10.1007/s00153-013-0329-8
Abstract: 
We consider various quotients of the C*-algebra of bounded operators on a nonseparable Hilbert space, and prove in some cases that, assuming some restriction of the Generalized Continuum Hypothesis, there are many outer automorphisms.
Keywords: Calkin algebra | Continuum Hypothesis | Nonseparable
Publisher: Springer Link

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