On Nuclearity of $C^{*}$ -algebras of Fell Bundles over Etale Groupoids

On Nuclearity of $C^{*}$ -algebras of Fell Bundles over Etale Groupoids
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关于 Etale Groupoids 上 Fell 丛的 $C^{*}$ 代数的核性

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发表时间:
2013
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通讯作者:
Takuya Takeishi
Takuya Takeishi
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作者:
Takuya Takeishi

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本文证明了:如果E是可转移的局部紧Hausdorff广群上的Fell丛,使得单位空间上的每个纤维都是核的,则$C?^* r(E)$也是核的。为了证明这个结果,我们引入了Fell丛与固定$C^*$-代数的(极小)张量积。
In this paper, we show that if E is a Fell bundle over an amenable 'etale locally compact Hausdorff groupoid such that every fiber on the unit space is nuclear, then $C?^*r(E)$ is also nuclear. In order to show this result, we introduce (minimal) tensor products of Fell bundles with fixed $C^*$-algebras.