On the Essential Norm Formulas for Some Operators

We prove equivalence of the classical Adamyan-Arov-Krein theorem (Adamyan, Arov and Krein in Mat Sb 86:34–75, 1971) and Mustafayev’s recent result in (Mustafayev in Integr Equ Oper Theory 92:1–21, 2020) about essential norm of Hankel and function of model operators, respectively. We also prove a qua...

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Veröffentlicht in:	Complex analysis and operator theory 2023-03, Vol.17 (2), Article 23
1. Verfasser:	Garayev, Mubariz T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Harmonic Analysis and Operator Theory Mathematics Mathematics and Statistics Operator Theory Operators (mathematics) Theorems
Online-Zugang:	Volltext
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