The relative commutant of separable C*-algebras of real rank zero

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We answer a question of E. Kirchberg (personal communication): does the relative commutant of a separable C*-algebra in its ultrapower depend on the choice of the ultrafilter?
To appear in Journal of Functional Analysis

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Operator Algebras, Logic, 46L05, 03E50

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http://salesiana.dossiersoluciones.com/handle/123456789/170843

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.2843
 http://arxiv.org/abs/0809.2843

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arXiv