Journal of Inequalities and Applications 
Volume 2008 (2008), Article ID 870950, 4 pages
doi:10.1155/2008/870950
Research Article

On Logarithmic Convexity for Ky-Fan Inequality

Matloob Anwar1 and J. Pečarić1,2

 1Abdus Salam School of Mathematical Sciences, GC University, Lahore 54660, Pakistan
2Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia
Received 19 November 2007; Accepted 14 February 2008

Recommended by Sever Dragomir

Abstract

We give an improvement and a reversion of the well-known Ky-Fan inequality as well as some related results.