Journal of Applied Mathematics
Volume 2013, Article ID 627570, 6 pages
http://dx.doi.org/10.1155/2013/627570
Research Article
Sign-Changing Solutions for a Fourth-Order Elliptic Equation with Hardy Singular Terms
1Institute of Mathematics, School of Mathematics and Computer Sciences, Nanjing Normal University, Nanjing 210097, China
2School of Mathematics and Statistics, Tianshui Normal University, Tianshui 741001, China
Received 8 August 2013; Accepted 28 October 2013
Academic Editor: Wan-Tong Li
Copyright © 2013 Ruichang Pei and Jihui Zhang. 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.
Abstract
The existence and multiplicity of sign-changing solutions for a class of fourth elliptic equations with Hardy singular terms are established by using the minimax methods.