Improved bounds for the numerical radius via Maligranda inequality

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Amar Ghris
Abdelouahab Manour

Abstract

This paper contributes to the study of numerical radius inequalities for a bounded linear operator on a complex Hilbert space. By employing the Maligranda inequality and the Cartesian decomposition of operators, we establish new inequalities that yield sharper estimates than previously existing results.

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How to Cite
Ghris, A., & Manour, A. (2025). Improved bounds for the numerical radius via Maligranda inequality. Gulf Journal of Mathematics, 19(1), 208-216. https://doi.org/10.56947/gjom.v19i1.2568
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