Matrices of unitary moments

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dc.creatorDykema, Ken
dc.creatorJuschenko, Kate
dc.date2009-01-02
dc.date2009-01-15
dc.date.accessioned2026-07-07T12:29:26Z
dc.date.available2026-07-07T12:29:26Z
dc.descriptionWe investigate certain matrices composed of mixed, second-order moments of unitaries. The unitaries are taken from C*-algebras with moments taken with respect to traces, or, alternatively, from matrix algebras with the usual trace. These sets are of interest in light of a theorem of E. Kirchberg about Connes' embedding problem.
dc.description12 pages. In the revision (to version 2) we add some citations to earlier results on extreme correlation matrices that include some results we use
dc.identifierhttps://arxiv.org/abs/0901.0288
dc.identifierhttp://arxiv.org/abs/0901.0288
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215877
dc.subjectOperator Algebras
dc.subject46L10, 15A48
dc.titleMatrices of unitary moments
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