This article is cited in 1 scientific paper (total in 1 paper)
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A Convex-Block Approach to Numerical Radius Inequalities
Mohammad Sababheh a email email , Cristian Conde bc email , Hamid Reza Moradi d email a Vice president, Princess Sumaya University for Technology, Amman, Jordan
b Instituto de Ciencias, Universidad Nacional de General Sarmiento, Argentina
c Consejo Nacional de Investigaciones Cientíificas y Tecnicas, Argentina
d Department of Mathematics, Mashhad Branch, Islamic Azad University, Mashhad, Iran
Abstract:
A simple convex approach and block techniques are used
to obtain new sharpened versions of numerical
radius inequalities for Hilbert space operators. These include
comparisons of norms of operators,
their Cartesian parts, their numerical radii, and the numerical radius of the product of two operators.
Keywords:
numerical radius, norm inequality, Cartesian decomposition, triangle inequality.
Received: 29.11.2022Revised: 22.05.2023Accepted: 24.05.2023
Citation:
Mohammad Sababheh, Cristian Conde, Hamid Reza Moradi, “A Convex-Block Approach to Numerical Radius Inequalities”, Funct. Anal. Appl. , 57 :S1 (2023), S26–S30
Linking options:
https://www.mathnet.ru/eng/faa4074 https://doi.org/10.1134/S0016266323050039
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