This article is cited in 4 papers

On Log-Convexity for Differences of Mixed Symmetric Means

M. Anwar^a, J. Pečarić<sup>bc

a</sup> Centre for Advanced Mathematics & Physics, National University of Sciences and Technology
^b University of Zagreb
^c University of Lahore

Abstract: Recently S. Simić has proved log-convexity for differences of power means. We prove a generalization of his result. Namely, log-convexity for differences of mixed symmetric means is proved.

Keywords: log-convexity, mixed means, symmetric power means.

UDC: 514.763

Received: 12.04.2010

DOI: 10.4213/mzm5075

 English version: Mathematical Notes, 2010, 88:6, 776–784

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