A reverse inequality for the weighted geometric mean due to Lawson– Lim (CROSBI ID 142845)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Fujii, Jun Ichi ; Fujii, Masatoshi ; Nakamura, Masahiro ; Pečarić, Josip ; Seo, Yuki
engleski
A reverse inequality for the weighted geometric mean due to Lawson– Lim
In this note, we present an alternative proof of the power convergence of the symmetrization procedure on the weighted geometric mean due to Lawson and Lim in [J. Lawson and Y. Lim, A general framework for extending means to higher orders, preprint] by using a limiting process due to Ando-Li-Mathias in [T. Ando, C.-K. Li, R. Mathias, Geometric means, Linear Algebra Appl. 385 (2004) 305– 334]. As applications, we obtain a reverse of the weighted arithmetic-geometric mean inequality of n-operators via Kantorovich constant. Moreover, we show an n-operators version of the Specht theorem.
Positive operator; Geometric mean of n-operators; Kantorovich constant; Specht ratio; Reverse inequality
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Podaci o izdanju
427 (2-3)
2007.
272-284
objavljeno
0024-3795
10.1016/j.laa.2007.07.025