Abstract and Applied Analysis
Volume 2011 (2011), Article ID 903736, 13 pages
Research Article

Some Geometric Properties of Lacunary Sequence Spaces Related to Fixed Point Property

Department of Mathematics, Faculty of Science, King Mongkut's University of Technology Thonburi (KMUTT), Bangmod, Thrungkru, Bangkok 10140, Thailand

Received 18 June 2011; Accepted 2 November 2011

Academic Editor: Ondřej Došlý

Copyright © 2011 Chirasak Mongkolkeha and Poom Kumam. 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.


The main purpose of this paper is considering the lacunary sequence spaces defined by Karakaya (2007), by proving the property ( 𝛽 ) and Uniform Opial property.