Semi-Fredholm and Semi-Browder Spectra For $C_0$-Quasi-Semigroups
Spectral Theory
2018-12-19 v1
Abstract
In this paper, we describe the different spectra of the -quasi-semigroups by the spectra of their generators. Specially, essential ascent and descent,Drazin invertible, upper and lower semi-Fredholm and semi-Browder spectra.
Keywords
Cite
@article{arxiv.1812.07278,
title = {Semi-Fredholm and Semi-Browder Spectra For $C_0$-Quasi-Semigroups},
author = {Abdelaziz Tajmouati and Youness Zahouan},
journal= {arXiv preprint arXiv:1812.07278},
year = {2018}
}