刊名:Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas
出版年:2017
出版时间:January 2017
年:2017
卷:111
期:1
页码:129-138
全文大小:413KB
刊物类别:Mathematics and Statistics
刊物主题:Mathematics, general; Applications of Mathematics; Theoretical, Mathematical and Computational Physics;
出版者:Springer Milan
ISSN:1579-1505
卷排序:111
文摘
The aim of this note is to study Čebyšëv JB\(^*\)-subtriples of general JB\(^*\)-triples. It is established that if F is a non-zero Čebyšëv JB\(^*\)-subtriple of a JB\(^*\)-triple E, then exactly one of the following statements holds:(a)F is a rank one JBW\(^*\)-triple with dim \((F)\ge 2\) (i.e. a complex Hilbert space regarded as a type 1 Cartan factor). Moreover, F may be a closed subspace of arbitrary dimension and E may have arbitrary rank;
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