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Completeness of Inner Product Spaces Associated with Functional on Jordan Structures
Lobachevskii Journal of Mathematics ( IF 0.8 ) Pub Date : 2020-07-29 , DOI: 10.1134/s1995080220040277
J. Hamhalter , E. Turilova

Abstract

We show that a normal functional \(\varphi\) on a \(JBW^{\ast}\) triple induces, via Gelfand–Naimark–Segal like construction, a complete inner product space if and only if \(\varphi\) is a finite convex combination of extreme points from the predual. Application of this result to von Neumann algebras is shown.


中文翻译:

与乔丹结构上的函数相关的内积空间的完备性

摘要

我们证明,在((JBW ^ {\ ast} \)三元组上的正常函数\(\ varphi \)通过Gelfand–Naimark–Segal类似构造,可以且仅当\(\ varphi \ )是从前序中得出的极端点的有限凸组合。显示了该结果在冯·诺依曼代数上的应用。
更新日期:2020-07-29
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