On the defect spectrum of an extension of a Banach space operator

被引：0

作者：

Vladimír Kordula

机构：

[1] (Mathematický ústav AV ČR),

来源：

Czechoslovak Mathematical Journal | 1998年 / 48卷

关键词：

Differential Equation; Mathematical Modeling; Banach Space; Ordinary Differential Equation; Industrial Mathematic;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Let T be an operator acting on a Banach space X. We show that between extensions of T to some Banach space Y ⊃ X which do not increase the defect spectrum (or the spectrum) it is possible to find an extension with the minimal possible defect spectrum.

引用

页码：609 / 616

页数：7

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