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arXiv 1006.3115math.OA
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广群轨道空间中的收敛强度

Strength of convergence in the orbit space of a groupoid

Robert Hazlewood, Astrid an Huef

摘要:

设G是具有Haar系的第二可数局部紧Hausdorff广群,{x_n}是G的单位空间中的序列.我们证明了{x_n}在轨道空间中的收敛强度和沿轨道的测度论积累的概念是实现与群胚C* 代数的诱导表示序列相关联的重数的等价方法。

英文摘要:

Let G be a second-countable locally-compact Hausdorff groupoid with a Haar system, and let {x_n} be a sequence in the unit space of G. We show that the notions of strength of convergence of {x_n} in the orbit space and measure-theoretic accumulation along the orbits are equivalent ways of realising multiplicity numbers associated to a sequence of induced representation of the groupoid C*-algebra.

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