Some properties of demicompact operators related to quasi-Fredholm operators.

Authors

  • Bilel Trabelsi University of Sfax

DOI:

https://doi.org/10.5269/bspm.78427

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

Issue

Section

Conf. Issue: Global Assembly for Mathematical Modeling and Analysis