Abstract and Applied Analysis
Volume 2008 (2008), Article ID 840387, 8 pages
doi:10.1155/2008/840387

Some inequalities concerning the weakly convergent sequence coefficient in Banach spaces

Hongwei Jiao and Yunrui Guo

Department of Mathematics, Henan Institute of Science and Technology, Xinxiang 453003, China

Abstract

We establish two inequalities concerning the weakly convergent sequence coefficient and other parameters, which enable us to obtain some sufficient conditions for normal structure.