International Journal of Mathematics and Mathematical Sciences
Volume 2005 (2005), Issue 3, Pages 475-481
doi:10.1155/IJMMS.2005.475

Note on weighted Carleman-type inequality

Chao-Ping Chen1 , Wing-Sum Cheung2 and Feng Qi1

1Department of Applied Mathematics and Informatics, Research Institute of Applied Mathematics, Henan Polytechnic University, Jiaozuo, Henan 454000, China
2Department of Mathematics, The University of Hong Kong, Pokfulam Road, Hong Kong

Abstract

A double inequality involving the constant e is proved by using an inequality between the logarithmic mean and arithmetic mean. As an application, we generalize the weighted Carleman-type inequality.