Refined Jensen's operator inequality with condition on spectra (CROSBI ID 181316)
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Podaci o odgovornosti
Mićić, Jadranka ; Pečarić, Josip ; Perić, Jurica
engleski
Refined Jensen's operator inequality with condition on spectra
We give a refinement of Jensen's inequality for n- tuples of self-adjoint operators, unital n-tuples of positive linear mappings and real valued continuous convex functions with condition on the spectra of the operators. The refined Jensen's inequality is used to obtain a refinement of inequalities among quasi-arithmetic means under similar conditions. As an application of these results we give a refinement of inequalities among power means.
self-adjoint operator; positive linear mapping; convex function; Jensen's operator inequality; quasi-arithmetic mean
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