On the quasi-Fredholm and Saphar spectrum of strongly continuous Cosine operator function
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22 nov. 2020
Ă propos de cet article
Publié en ligne: 22 nov. 2020
Pages: 80 - 87
Reçu: 08 août 2020
Accepté: 08 nov. 2020
DOI: https://doi.org/10.2478/mjpaa-2021-0008
Mots clés
© 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