Journal of Inequalities and Applications
Volume 2009 (2009), Article ID 820176, 8 pages
doi:10.1155/2009/820176
Research Article

A Hilbert's Inequality with a Best Constant Factor

Zheng Zeng1 and Zi-tian Xie2

1Department of Mathematics, Shaoguan University, Shaoguan, Guangdong 512005, China
2Department of Mathematics, Zhaoqing University, Zhaoqing, Guangdong 526061, China

Received 6 February 2009; Revised 3 May 2009; Accepted 23 July 2009

Academic Editor: Yong Zhou

Copyright © 2009 Zheng Zeng and Zi-tian Xie. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We give a new Hilbert's inequality with a best constant factor and some parameters.