Abstract and Applied Analysis
Volume 2008 (2008), Article ID 840387, 8 pages
Research Article

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

Received 1 August 2008; Accepted 6 September 2008

Academic Editor: Simeon Reich

Copyright © 2008 Hongwei Jiao and Yunrui Guo. 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.


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