The generator rank of subhomogeneous -algebras
| Autor: | Hannes Thiel |
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| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Canadian Journal of Mathematics. :1-29 |
| ISSN: | 1496-4279 0008-414X |
| DOI: | 10.4153/s0008414x22000268 |
| Popis: | We compute the generator rank of a subhomogeneous $C^*\!$ -algebra in terms of the covering dimension of the pieces of its primitive ideal space corresponding to irreducible representations of a fixed dimension. We deduce that every $\mathcal {Z}$ -stable approximately subhomogeneous algebra has generator rank one, which means that a generic element in such an algebra is a generator. This leads to a strong solution of the generator problem for classifiable, simple, nuclear $C^*\!$ -algebras: a generic element in each such algebra is a generator. Examples of Villadsen show that this is not the case for all separable, simple, nuclear $C^*\!$ -algebras. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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