| Authors: | Farah, Ilijas Phillips, N. Christopher Steprans, Juris |
Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts | Title: | The commutant of L(H) in its ultrapower may or may not be trivial | Journal: | Mathematische Annalen | Volume: | 347 | Issue: | 4 | First page: | 839 | Last page: | 857 | Issue Date: | 1-Aug-2010 | Rank: | M21 | ISSN: | 0025-5831 | DOI: | 10.1007/s00208-009-0448-z | Abstract: | Kirchberg asked in 2004 whether the commutant of L(H) in its (norm) ultrapower is trivial. Assuming the Continuum Hypothesis, we prove that the answer depends on the choice of the ultrafilter. |
Publisher: | Springer Link |
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