On Rørdam's classification of certain $C^*$-algebras with one non-trivial ideal, II
- Autores: Gunnar Restorff, Efren Ruiz
- Localización: Mathematica scandinavica, ISSN 0025-5521, Vol. 101, Nº 2, 2007, págs. 280-292
- Idioma: inglés
- DOI: 10.7146/math.scand.a-15045
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Resumen
In this paper we extend the classification results obtained by Rørdam in the paper [16]. We prove a strong classification theorem for the unital essential extensions of Kirchberg algebras, a classification theorem for the non-stable, non-unital essential extensions of Kirchberg algebras, and we characterize the range in both cases. The invariants are cyclic six term exact sequences together with the class of some unit.
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