Matrices of unitary moments

Ken Dykema*, Kate Juschenko

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


We 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.

Original languageEnglish (US)
Pages (from-to)225-239
Number of pages15
JournalMathematica Scandinavica
Issue number2
StatePublished - 2011

ASJC Scopus subject areas

  • General Mathematics


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