On Primitive Ideal Spaces of C*-Algebras over Certain Locally Compact Groupoids

On Primitive Ideal Spaces of C*-Algebras over Certain Locally Compact Groupoids
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关于某些局部紧群形上C*-代数的本原理想空间

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发表时间:
1991
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通讯作者:
S. Yamagami
S. Yamagami
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作者:
S. Yamagami

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设F是局部紧的Hausdorff第二可数广群,其左Haar系{vx} x∈X在[9]意义下(X = Γ的单位空间).通过与群上的Fell代数丛类比,我们定义了F上的C*-代数的概念,并且给定一个Γ上的C*-代数A,我们可以形成一个C*-代数C*(Γ,A)作为A的截面代数的完备化。本文在严格的条件下,给出了C ~*(Γ,A)的本原理想空间的一个具体实现.这是[12]的C* 版本。
Let F be a locally compact Hausdorff second countable groupoid with a left Haar system {v x } x∈X in the sense of [9] (X = the unit space of Γ). By analogy with Fell’s algebraic bundles over groups, we define the notion of C*-algebras over F and, given a C*-algebra A over Γ, we can form a C*-algebra C*(Γ, A) as the completion of the cross sectional algebra of A. In this note, under some stringent assumptions on Γ, we present a concrete realization of the primitive ideal space of C*(Γ, A). This is a C*-version of [12].