New properties of some classes of Saphar type operators

Fuente: arXiv
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Autores principales: Ghorbel, Ayoub, Živković-Zlatanović, Snežana Č.
Formato: Preprint
Publicado: 2024
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author Ghorbel, Ayoub
Živković-Zlatanović, Snežana Č.
author_facet Ghorbel, Ayoub
Živković-Zlatanović, Snežana Č.
contents This paper explores additional properties of some classes of Saphar type operators, namely left Drazin invertible, essentially left Drazin invertible, right Drazin invertible, and essentially right Drazin invertible operators on Banach spaces, building upon the groundwork laid in \cite{GM} and \cite{ZS}. Specifically, we propose alternative definitions for these operators and characterize them with a new type of operator decomposition, providing a deeper understanding of their properties. Furthermore, we investigate their behavior under powers. The operators we study are distinguished from other operators bearing the same name in existing literature, see \cite{Aiena}, \cite{Q. Jiang}. By employing more refined definitions, we uncover a broader range of properties for these operators, setting them apart from their counterparts in the literature.
format Preprint
id arxiv_https___arxiv_org_abs_2403_17981
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle New properties of some classes of Saphar type operators
Ghorbel, Ayoub
Živković-Zlatanović, Snežana Č.
Functional Analysis
15A09, 47A05
This paper explores additional properties of some classes of Saphar type operators, namely left Drazin invertible, essentially left Drazin invertible, right Drazin invertible, and essentially right Drazin invertible operators on Banach spaces, building upon the groundwork laid in \cite{GM} and \cite{ZS}. Specifically, we propose alternative definitions for these operators and characterize them with a new type of operator decomposition, providing a deeper understanding of their properties. Furthermore, we investigate their behavior under powers. The operators we study are distinguished from other operators bearing the same name in existing literature, see \cite{Aiena}, \cite{Q. Jiang}. By employing more refined definitions, we uncover a broader range of properties for these operators, setting them apart from their counterparts in the literature.
title New properties of some classes of Saphar type operators
topic Functional Analysis
15A09, 47A05
url https://arxiv.org/abs/2403.17981