The Calkin algebra has outer automorphisms

N. Christopher Phillips; Nik Weaver

doi:10.1215/S0012-7094-07-13915-2

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15 July 2007 The Calkin algebra has outer automorphisms

N. Christopher Phillips, Nik Weaver

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Abstract

Assuming the continuum hypothesis, we show that the Calkin algebra has $2^{\aleph_1}$ outer automorphisms

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N. Christopher Phillips. Nik Weaver. "The Calkin algebra has outer automorphisms." Duke Math. J. 139 (1) 185 - 202, 15 July 2007. https://doi.org/10.1215/S0012-7094-07-13915-2

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Published: 15 July 2007

First available in Project Euclid: 13 July 2007

MathSciNet: MR2322680

zbMATH: 1220.46040

Digital Object Identifier: 10.1215/S0012-7094-07-13915-2

Subjects:

Primary: 46L40

Secondary: 03E50 , 46L05

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