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math.FA2023
On the Euclidean operator radius and norm
Mohammad Sababheh, Hamid Reza Moradi, Mohammad Alomari
In this paper, we show several bounds for the numerical radius of a Hilbert space operator in terms of the Euclidean operator norm. The obtained forms will enable us to find intere…
math.FA2023
A convex-block approach for numerical radius inequalities
Mohammad Sababheh, Cristian Conde, Hamid Reza Moradi
This article implements a simple convex approach and block techniques to obtain several new refined versions of numerical radius inequalities for Hilbert space operators. This incl…