Journal of Inequalities and Applications 
Volume 2006 (2006), Article ID 21540, 8 pages
doi:10.1155/JIA/2006/21540

A reconsideration of Hua's inequality. Part II

Hiroyuki Takagi,1 Takeshi Miura,2 Takahiro Hayata,3 and Sin-Ei Takahasi2

 1Department of Mathematical Sciences, Faculty of Science, Shinshu University, Matsumoto 390-8621, Japan
2Department of Basic Technology, Applied Mathematics and Physics, Yamagata University, Yonezawa 992-8510, Japan
3Department of Informatics, Faculty of Engineering, Yamagata University, Yonezawa 992-8510, Japan
Received 20 April 2006; Accepted 16 May 2006

Abstract

We give a new interpretation of Hua's inequality and its generalization. From this interpretation, we know the best possibility of those inequalities.