Perturbations of nuclear C*-algebras

Perturbations of nuclear C*-algebras
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DOI:
10.1007/s11511-012-0075-5
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发表时间:
2009-10
期刊:
影响因子:
3.7
通讯作者:
Erik Christensen;A. Sinclair;Roger R. Smith;Stuart White;W. Winter
Erik Christensen;A. Sinclair;Roger R. Smith;Stuart White;W. Winter
中科院分区:
数学1区
文献类型:
--
作者:
Erik Christensen;A. Sinclair;Roger R. Smith;Stuart White;W. Winter

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Kadison 和 Kastler 在可分离希尔伯特空间上的有界算子的所有 C* 子代数集合上引入了自然度量。他们推测足够接近的代数是酉共轭的。当一个代数是可分的且是核的时,我们就建立了这个猜想。我们还考虑这些概念的片面版本,并且我们从涉及可分离核 C* 代数的某些近包含体中获得嵌入。在本文的最后,我们展示了我们的方法如何改进当前分类程序中感兴趣的某些代数类型的表征。本文提供了 Christensen 等人的 Proc 中公布的结果的详细信息。国家。阿卡德。科学。美国 107 (2010),587–591。
Kadison and Kastler introduced a natural metric on the collection of allC*-subalgebras of the bounded operators on a separable Hilbert space. They conjectured that sufficiently close algebras are unitarily conjugate. We establish this conjecture when one algebra is separable and nuclear. We also consider one-sided versions of these notions, and we obtain embeddings from certain near inclusions involving separable nuclearC*-algebras. At the end of the paper we demonstrate how our methods lead to improved characterisations of some of the types of algebras that are of current interest in the classification programme.This paper provides the details of the results announced in Christensen et al.Proc. Natl. Acad. Sci. USA107 (2010), 587–591.