Some properties of demicompact operators related to quasi-Fredholm operators.
Abstract
In this paper, we examine the relationship between demicompact operators and quasi-Fredholm operators. Additionally, we explore how demicompact linear operators relate to the upper B-Browder, Drazin, and B-Quasi-Fredholm spectra.
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Published
2026-01-19
Section
Special Issue: Global Assembly for Mathematical Modeling and Analysis
Copyright (c) 2026 Boletim da Sociedade Paranaense de Matemática
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