2005-Oujda International Conference on Nonlinear Analysis,
Oujda, Morocco.
Electronic Journal of Differential Equations,
Conference 14 (2006), pp. 163-172. 

Title: Existence of two nontrivial solutions for semilinear elliptic problems

Authors: Abdel R. El Amrouss (Univ. Mohamed 1er, Oujda, Morocco)
         Fouzia Moradi       (Univ. Mohamed 1er, Oujda, Morocco)
	 Mimoun Moussaoui    (Univ. Mohamed 1er, Oujda, Morocco)
 
Abstract: 
 This paper concerns the existence of multiple nontrivial solutions for  some
 nonlinear problems. The first nontrivial solution is found using a  minimax
 method, and the second by computing the Leray-Schauder index  and the
 critical group near 0.

Published September 20, 2006.
Math Subject Classifications: 58E05, 35J65, 56J20.
Key Words: Variational elliptic problem; resonance; critical group; 
           Morse theory; minimax method.