Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

Finite sums of commutators


Author: Ciprian Pop
Journal: Proc. Amer. Math. Soc. 130 (2002), 3039-3041
MSC (2000): Primary 46L05
Published electronically: March 14, 2002
MathSciNet review: 1908928
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Abstract: We show that elements of unital $C^*$-algebras without tracial states are finite sums of commutators. Moreover, the number of commutators involved is bounded, depending only on the given $C^*$-algebra.


References [Enhancements On Off] (What's this?)

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  • 3. Uffe Haagerup, Quasitraces on exact ${C}^*$-algebras are traces, Manuscript distributed at the Operator Algebra Conference in Istanbul, July 1991.
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Additional Information

Ciprian Pop
Affiliation: I.M.A.R., CP 1–764, Bucharest, Romania
Address at time of publication: Department of Mathematics, Texas A&M University, College Station, Texas 77843–3368
Email: cpop@math.tamu.edu

DOI: http://dx.doi.org/10.1090/S0002-9939-02-06484-5
Received by editor(s): February 20, 2001
Received by editor(s) in revised form: May 29, 2001
Published electronically: March 14, 2002
Communicated by: David R. Larson
Article copyright: © Copyright 2002 American Mathematical Society