QUASI-LINEAR ELLIPTIC PROBLEMS

By Z. BENIK

EXISTENCE, MULTIPLICITY, PERTURBATION, AND CONCENTRATION RESULTS FOR A CLASS OF QUASI-LINEAR ELLIPTIC PROBLEMS NOTATION 1 INTRODUCTION 2 REVIEW OF CRITICAL POINT THEORY 3 SUPER-LINEAR ELLIPTIC PROBLEMS 4 PERTURBATION FROM SYMMETRY 5 PROBLEMS OF JUMPING TYPE 6 PROBLEMS WITH LOSS OF COMPACTNESS 7 THE SINGULARLY PERTURBED CASE, I 8 THE SINGULARLY PERTURBED CASE, II 9 NONEXISTENCE RESULTS REFERENCES