TEST SPACES, DACEY SPACES, AND COMPLETENESS OF INNER-PRODUCT SPACES

被引:1
|
作者
DVURECENSKIJ, A
PULMANNOVA, S
机构
[1] Mathematical Institute, Slovak Academy of Sciences, Bratislava, SK-814 73
关键词
Mathematical Subject Classifications (1991): Primary: 46C15; Secondary:; 81P10; 03G12;
D O I
10.1007/BF00761140
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We show that a test space consisting of the unit sphere of a real or complex inner product space S and of the set all maximal orthonormal systems in S, is algebraic iff S is Dacey or, equivalently, iff S is complete. In addition, we present another completeness criterion.
引用
收藏
页码:299 / 306
页数:8
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