Boundary Value Problems
Volume 2009 (2009), Article ID 147308, 19 pages
Research Article

On Multiple Solutions of Concave and Convex Nonlinearities in Elliptic Equation on N

Department of Applied Science, Naval Academy, 90175 Zuoying, Taiwan

Received 18 February 2009; Accepted 28 May 2009

Academic Editor: Martin Schechter

Copyright © 2009 Kuan-Ju Chen. 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 consider the existence of multiple solutions of the elliptic equation on N with concave and convex nonlinearities.