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

Title:

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

Creator:

Kordula, Vladimír

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:ba21586b-7897-4083-8e66-e42b76f121e5
uuid:ba21586b-7897-4083-8e66-e42b76f121e5

Subject:

math, Banach space, and defect spectrum

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

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

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Coverage:

609-616

Source:

Czechoslovak Mathematical Journal | 1998 Volume:48 | Number:4

Harvested from:

CDK

Metadata only:

false