Electron. J. Diff. Equ., Vol. 2012 (2012), No. 164, pp. 1-14.

Infinitely many solutions for a fourth-order boundary-value problem

Seyyed Mohsen Khalkhali, Shapour Heidarkhani, Abdolrahman Razani

Abstract:
In this article we consider the existence of infinitely many solutions to the fourth-order boundary-value problem
$$\displaylines{
  u^{iv}+\alpha u''+\beta(x) u=\lambda f(x,u)+h(u),\quad x\in]0,1[\cr
  u(0)=u(1)=0,\cr
  u''(0)=u''(1)=0\,.
 }$$
Our approach is based on variational methods and critical point theory.

Submitted June 28, 2012 Published September 22, 2012.
Math Subject Classifications: 34B15.
Key Words: Fourth-order equation; infinitely many solutions; critical point theory; variational methods.

Show me the PDF file (283 KB), TEX file, and other files for this article.

Seyyed Mohsen Khalkhali
Department of Mathematics, Science and Research branch
Islamic Azad University, Tehran, Iran
email: sm.khalkhali@srbiau.ac.ir
Shapour Heidarkhani
Department of Mathematics, Faculty of Sciences
Razi University, 67149 Kermanshah, Iran
email: sh.heidarkhani@yahoo.com, s.heidarkhani@razi.ac.ir
Abdolrahman Razani
Department of Mathematics, Science and Research Branch
Islamic Azad University, Tehran, Iran.
School of Mathematics
Institute for Research in Fundamental Sciences
P.O. Box 19395-5746, Tehran, Iran
email: razani@ikiu.ac.ir

Return to the EJDE web page