On the quasi-Fredholm and Saphar spectrum of strongly continuous Cosine operator function
Nov 22, 2020
About this article
Published Online: Nov 22, 2020
Page range: 80 - 87
Received: Aug 08, 2020
Accepted: Nov 08, 2020
DOI: https://doi.org/10.2478/mjpaa-2021-0008
Keywords
© 2020 Hamid Boua, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Boua, Hamid
Department of Mathematics and Computer Science, Pluridisciplinary Faculty of Nador, Mohammed First University