The Calkin algebra is not countably homogeneous

Ilijas Farah, Ilan Hirshberg

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We show that the Calkin algebra is not countably homogeneous, in the sense of continuous model theory. We furthermore show that the connected component of the unitary group of the Calkin algebra is not countably homogeneous.

Original languageEnglish
Pages (from-to)5351-5357
Number of pages7
JournalProceedings of the American Mathematical Society
Volume144
Issue number12
DOIs
StatePublished - 1 Jan 2016

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