Generalized weakly demicompact and $S$-demicompact linear relations and their spectral properties

UDC 517.9 We extend the concept of generalized weakly demicompact and  relatively weakly demicompact operators on linear relations and present some outstanding results. Moreover, we address the theory of Fredholm and upper semi-Fredholm relations attempting to establish a connection wit...

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Bibliographic Details
Date:2023
Main Authors: Fakhfakh, Majed, Jeribi, Aref
Format: Article
Language:English
Published: Institute of Mathematics, NAS of Ukraine 2023
Online Access:https://umj.imath.kiev.ua/index.php/umj/article/view/7194
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Journal Title:Ukrains’kyi Matematychnyi Zhurnal
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Ukrains’kyi Matematychnyi Zhurnal