The Calkin algebra has outer automorphisms

arxiv: math/0606594 · v1 · submitted 2006-06-23 · 🧮 math.OA · math.FA· math.LO

N. Christopher Phillips , Nik Weaver This is my paper

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keywords algebraautomorphismscalkinouteralephassumingcontinuumhypothesis

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

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