References & Citations
Mathematics > Functional Analysis
Title: On some classes of Saphar type operators II
(Submitted on 24 Mar 2024)
Abstract: The purpose of this paper is to explore additional properties of 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 [8] and [19]. Specifically, we propose alternative definitions for these operators and investigate their behavior in powers. Furthermore, we employ a specific operator decomposition to characterize these operators, providing a deeper understanding of their structure and properties. The operators we study are distinguished from other operators bearing the same name in existing literature, see [1], [9]. By employing more refined definitions, we uncover a broader range of properties for these operators, setting them apart from their counterparts in the literature.
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