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