Electronic Journal of Differential Equations,
Vol. 2011 (2011), No. 47, pp. 1-14.

Title: Multiplicity of positive solutions for a Navier
       boundary-value problem involving the p-biharmonic 
       with critical exponent
       
Authors: Ying Shen   (Nanjing Normal Univ., Jiangsu, China)
         Jihui Zhang (Nanjing Normal Univ., Jiangsu, China)

Abstract:
 By using the Nehari manifold and variational methods, we prove
 that a p-biharmonic system has at least two positive solutions
 when the pair the parameters satisfy certain inequality.

Submitted December 18, 2010. Published April 06, 2011.
Math Subject Classifications: 35J40, 35J67.
Key Words: p-biharmonic system; Navier condition; Nehari manifold; 
           critical exponent.