Boundary Value Problems 
Volume 2007 (2007), Article ID 85621, 5 pages
doi:10.1155/2007/85621
Research Article

Existence and Nonexistence Results for a Class of Quasilinear Elliptic Systems

Said El Manouni1 and Kanishka Perera2

1Department of Mathematics, Faculty of Sciences, Al-Imam University, P.O. Box 90950, Riyadh 11623, Saudi Arabia
2Department of Mathematical Sciences, Florida Institute of Technology, Melbourne 32901, FL, USA

Received 18 June 2007; Accepted 20 August 2007

Recommended by Donal O'Regan

Abstract

Using variational methods, we prove the existence and nonexistence of positive solutions for a class of (p,q)-Laplacian systems with a parameter.