UNITARY OPERATORS ON SPACE π

被引：0

作者：

严绍宗

机构：

[1] Institute of Mathematics

[2] Fudan University

来源：

A Monthly Journal of Science | 1981年 / 08期

关键词：

Th; UNITARY OPERATORS ON SPACE;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the Pontrjagin space π, there is a basic result that for any unitary (or self adjoint) operator, there exists a non-positive K-dimensional invariant subspace. For a self adjoint operator A on Krien space π, if π=H⊕is a regular decomposition of π, and PAPis a compact operator, then there exists a maximum non-positive in-

引用

页码：673 / 676

页数：4

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