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Título: Refinements of the Heinz inequalities for matrices
Autores: Yan, Yanxiong
Feng, Yuming
Chen, Guiyun
Fecha: 2014-01-31
Publicador: BioMed Central Ltd.
Fuente: Ver documento
Tipo: Research
Tema: convex function, Heinz inequality, Hermite-Hadamard inequality, unitarily invariant norm
Descripción: Abstract This article aims to discuss Heinz inequalities involving unitarily invariant norms. We use a similar method to (Feng in J. Inequal. Appl. 2012:18, 2012; Wang in J. Inequal. Appl. 2013:424, 2013) and we get different refinements of the Heinz inequalities for matrices. Our results are better than some given in (Kittaneh in Integral Equ. Oper. Theory 68:519-527, 2010) and they are different from (Feng in J. Inequal. Appl. 2012:18, 2012; Wang in J. Inequal. Appl. 2013:424, 2013).
Idioma: Inglés