We prove a representation theorem for Palais-Smale sequences involving the p-Laplacian and critical nonlinearities. Applications are given to a critical problem.

%B Discrete & Continuous Dynamical Systems-A %V 28 %P 469–493 %G eng %U http://www.aimsciences.org/journals/displayArticles.jsp?paperID=5097 %R 10.3934/dcds.2010.28.469