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Vladikavkaz Mathematical Journal
Article . 2018 . Peer-reviewed
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On the sum of narrow and C-compact operators

О сумме узкого и C-компактного операторов
Authors: Abasov, Nariman Magamedovich; Pliev, Marat Amurkhanovich;

On the sum of narrow and C-compact operators

Abstract

В работе рассматриваются узкие линейные операторы, заданные на пространстве Банаха - Канторовича и принимающие значение в банаховом пространстве. Установлено, что сумма двух операторов S+T, где S - узкий оператор, а T- (bo)-непрерывный C-компактный оператор, также является узким оператором. Основными техническими инструментами, используемыми для доказательства этого результата, являются: разбиение элемента решеточно-нормированного пространства на дизъюнктные осколки и апроксимация C-компактного оператора конечномерными операторами.

Keywords

Linear operator approximation theory, Banach spaces, Perturbation theory of linear operators, Banach-Kantorovich space, narrow operator, \(C\)-compact operator, Operators on Banach spaces, finite rank operator

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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