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SOME SOLUTIONS OF THE FINITE SPECTRUM PROBLEM AND APPLICATIONS

SOFIANE MESSIRDI|MOHAND OULD ALI|BEKKAI MESSIRDI
장전수학회 (Jangjeon Mathematical Society)|2018.07|Advanced Studies in Contemporary Mathematics|제28권 제3호|pp. 449-458|DOI http://dx.doi.org/10.17777/ascm2017.28.3.449

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참고문헌

키워드

Finite spectrumGeneralized Kato decompositionPseudo-Fredholm operatorsOperator matricesTotally Paranormal operators
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초록

In this paper, we characterize linear operators with fi…nite spectrum in the Banach spaces setting via quasi-Fredholm and pseudo-Fredholm spectrums. As applications, we …find sufficient conditions under which the spectrum of operator matrices and that of totally paranormal operators is …finite.

Abstract

In this paper, we characterize linear operators with fi…nite spectrum in the Banach spaces setting via quasi-Fredholm and pseudo-Fredholm spectrums. As applications, we …find sufficient conditions under which the spectrum of operator matrices and that of totally paranormal operators is …finite.

참고문헌 (21)

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