2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76300Some new inequalities for the norm and the numerical radius of composite operators generated by a pair of operators are given.12 pagesFunctional AnalysisOperator Algebras46C05, 47A12Inequalities for the Norm and Numerical Radius of Composite Operators in Hilbert Spacestext