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Title: Quasi Grüss type inequalities for complex functions defined on unit circle with applications for unitary operators in Hilbert spaces
Authors: Dragomir, S.S.
Victoria University. Australia
University of the Witwatersrand. South Africa
Keywords: Grüss type inequalities
Riemann-Stieltjes integral inequalities
Unitary operatorsin Hilbert spaces
Spectral theory
Quadrature rules
Desigualdades de tipo Grüss
Desigualdades integrales de Riemann-Stieltjes
Operadores unitarios en espacios de Hilbert
Teoría espectral
Reglas de cuadratura
Issue Date: 2016
Publisher: Universidad de Extremadura
Abstract: Some quasi Grüss type inequalities for the Riemann-Stieltjes integral of continuous complex valued integrands defined on the complex unit circle C (0; 1) and various subclasses of integrators are given. Natural applications for functions of unitary operators in Hilbert spaces are provided.
Appears in Collections:Extracta Mathematicae Vol. 31, nº 1 (2016)

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