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Proceedings of the American Mathematical Society

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



Some remarks on the real rank
of non-unital C*-algebras

Author: Takashi Sakamoto
Journal: Proc. Amer. Math. Soc. 127 (1999), 205-210
MSC (1991): Primary 46L05
MathSciNet review: 1623052
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Abstract: For a non-unital C$^{*}$-algebra $A$, let $A^{\sim }$ be the C$^{*}$-algebra obtained from $A$ by adjoining an identity. In this paper we show that

\begin{displaymath}{\text{\rm RR}}( C_{0}(X) \otimes A)={\text{\rm RR}} ( C_{0}(X) \otimes A^{\sim }) ,\end{displaymath}

where $X$ is a locally compact Hausdorff space with ${\text{\rm RR}}( C_{0}(X) ) \le 1$.

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Additional Information

Takashi Sakamoto
Affiliation: Department of Mathematics and Informatics, Graduate School of Science and Technology, Chiba University, 1-33, Yayoi-Cho, Inage-Ku, Chiba 263-8522, Japan

Keywords: C$^{*}$-algebra, real rank, stable rank
Received by editor(s): May 9, 1997
Communicated by: David R. Larson
Article copyright: © Copyright 1999 American Mathematical Society