Hostname: page-component-cd9895bd7-q99xh Total loading time: 0 Render date: 2024-12-25T03:25:14.029Z Has data issue: false hasContentIssue false

REMARKS ON ${\mathcal{Z}}$-STABLE PROJECTIONLESS C*-ALGEBRAS

Published online by Cambridge University Press:  21 July 2015

LEONEL ROBERT*
Affiliation:
Department of Mathematics, University of Louisiana at Lafayette, 217 Maxim Doucet Hall, 1401 Johnston Street, Lafayette, LA 70504USA e-mail: lrobert@louisiana.edu
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

It is shown that ${\mathcal{Z}}$-stable projectionless C*-algebras have the property that every element is a limit of products of two nilpotents. This is then used to classify the approximate unitary equivalence classes of positive elements in such C*-algebras using traces.

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 2015 

References

REFERENCES

1.Ara, P., Perera, F. and Toms, A. S., K-theory for operator algebras. Classification of C*-algebras, in Contemporary Mathematics, Aspects of operator algebras and applications, vol. 534 (American Mathematical Society, Providence, RI, 2011), 171.Google Scholar
2.Brown, N. P. and Ciuperca, A., Isomorphism of Hilbert modules over stably finite C*-algebras, J. Funct. Anal., 257 (1) (2009), 332339.CrossRefGoogle Scholar
3.Brown, N. P., Perera, F. and Toms, A., The Cuntz semigroup, the Elliott conjecture, and dimension functions on C*-algebras, J. Reine Angew. Math. 2008 (621) (2008), 191–211.Google Scholar
4.Ciuperca, A., Elliott, G. A. and Santiago, L., On inductive limits of type-I C*-algebras with one-dimensional spectrum, Int. Math. Res. Not. IMRN no. 11 (2011), 25772615.Google Scholar
5.Coward, K. T., Elliott, G. A. and Ivanescu, C., The Cuntz semigroup as an invariant for C*-algebras, J. Reine Angew. Math. 2008 (623) (2008), 161–193.CrossRefGoogle Scholar
6.Elliott, G. A. and Toms, A. S., Regularity properties in the classification program for separable amenable C*-algebras, Bull. Amer. Math. Soc. (N.S.), 45 (2) (2008), 229245.Google Scholar
7.Elliott, G. A., Robert, L. and Santiago, L., The cone of lower semicontinuous traces on a C*-algebra, Amer. J. Math. 133 (4) (2011), 9691005.Google Scholar
8.Jiang, X. and Su, H., On a simple unital projectionless C*-algebra, Amer. J. Math., 121 (2) (1999), 359413.Google Scholar
9.Lin, H., Cuntz semigroups of C*-algebras of stable rank one and projective Hilbert modules, http://arxiv.org/abs/1001.4558 (2010).Google Scholar
10.Kishimoto, A. and Kumjian, A., Simple stably projectionless C*-algebras arising as crossed products, Canad. J. Math., 48 (5) (1996), 980996.Google Scholar
11.Nawata, N., Picard groups of certain stably projectionless C*-algebras, J. Lond. Math. Soc., 88 (1) (2013), 161180.Google Scholar
12.Robert, L. and Santiago, L., Classification of C*-homomorphisms from C 0(0,1] to a C*-algebra, J. Funct. Anal., 258 (3) (2010), 869892.Google Scholar
13.Rørdam, M., The stable and the real rank of ${\mathcal{Z}}$-absorbing C*-algebras, Int. J. Math. 15 (10) (2004), 1065–1084.CrossRefGoogle Scholar
14.Santiago, L., Reduction of the dimension of nuclear C*-algebras, http://arxiv.org/abs/1211.7159 (2012).Google Scholar
15.Tikuisis, A., Regularity for stably projectionless, simple C*-algebras, J. Funct. Anal., 263 (5) (2012), 13821407.Google Scholar