An estimate of quasi-arithmetic mean for convex functions (CROSBI ID 186376)
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Mićić Hot, Jadranka ; Pečarić, Josip ; Seo, Yuki
engleski
An estimate of quasi-arithmetic mean for convex functions
For a selfadjoint operator A on a Hilbert space H and a normalized positive linear map Phi, a quasi-arithmetic mean is defined by phi^-1(Phi(phi(A)) for a strictly monotone function phi. In this paper, we shall show an order relation among quasi-arithmetic means for convex functions through positive linear maps and its complementary problems, in which we use the Mond-Pečarić method for convex functions.
quasi-arithmetic mean ; positive linear map ; positive operator ; Jensen inequality ; Mond-Pečarić method
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