New inequalities for numerical radius w(A) of Hilbert space operators are derived via convex functions, generalizing and improving results by El-Haddad and Kittaneh, including a bound for r≥2.
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Refined numerical radius inequalities are proved for operators on Hilbert spaces using convex functions, including an integral form that extends and refines Kittaneh's result.
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Further Inequalities for the Numerical Radius of Hilbert Space Operators
New inequalities for numerical radius w(A) of Hilbert space operators are derived via convex functions, generalizing and improving results by El-Haddad and Kittaneh, including a bound for r≥2.
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More accurate numerical radius inequalities (II)
Refined numerical radius inequalities are proved for operators on Hilbert spaces using convex functions, including an integral form that extends and refines Kittaneh's result.