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This article demonstrates refined numerical radius inequalities for operators, suggesting improvements in mathematical analysis.
In this article, weobtain some numerical radius inequalities that refine the well-known inequality w(A) ? ?A? using the Cauchy-Schwarz inequality, a generalization of Buzano?s inequality, and the mixed Schwarz inequality. Also, we prove some numerical radius inequalities for finite sums of operators that include functions of specific characters.
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Alrimawi et al. (2025) studied this question.
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