Isotropy fibers of ideals in groupoid C *-algebras

被引:3
作者
Christensen, Johannes [1 ]
Neshveyev, Sergey [2 ]
机构
[1] Katholieke Univ Leuven, Dept Math, Leuven, Belgium
[2] Univ Oslo, Dept Math, Oslo, Norway
关键词
GroupoidC & lowast; -algebras; Ideals; Isotropy groups; Ideal intersection property; PRIMITIVE-IDEALS; STAR-ALGEBRAS; SIMPLICITY; STATES;
D O I
10.1016/j.aim.2024.109696
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Given a locally compact & eacute;tale groupoid and an ideal I in its groupoid C & lowast; -algebra, we show that I defines a family of ideals in group C & lowast; -algebras of the isotropy groups and then study to which extent I is determined by this family. As an application we obtain the following results: (a) prove that every proper ideal is contained in an induced primitive ideal; (b) describe the maximal ideals; (c) classify the primitive ideals for a class of graded groupoids with essentially central isotropy. (c) 2024 Published by Elsevier Inc.
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页数:32
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