Means of unitary operators, revisited

Authors

  • Uffe Haagerup
  • Richard V. Kadison
  • Gert K. Pedersen

DOI:

https://doi.org/10.7146/math.scand.a-15021

Abstract

It is proved that an operator with bound not exceeding $(n-2)n^{-1}$ in a $C^*$-algebra is the mean of $n$ unitay operators in that algebra.

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Published

2007-06-01

How to Cite

Haagerup, U., Kadison, R. V., & Pedersen, G. K. (2007). Means of unitary operators, revisited. MATHEMATICA SCANDINAVICA, 100(2), 193–197. https://doi.org/10.7146/math.scand.a-15021

Issue

Vol. 100 No. 2 (2007)

Section

Articles