The prescribed scalar curvature on a 3-dimensional CR manifold ..........................193
Najoua Gamara

Equations of p-Laplacian type in unbounded domains ......................................237
Pablo L. De Nápoli and M. Cristina Mariani

On the existence of nontrivial solutions to some elliptic
variational Inequalities.................................................................251
Vy Khoi Le and Klaus Schmitt

Existence and multiplicity of positive solutions for a Dirichlet boundary
value problem in R2  .....................................................................263
V. Barutello, A. Capietto and P. Habets

Twist solutions of a Hill’s Equation with singular term..................................279
Pedro J. Torres

Necessary and sufficient conditions for the oscillation of
planar like-Lienard systems .............................................................289
Bertha Granados and Antonio Tineo

Periodic solutions of singular nonlinear perturbations of
the ordinary p-Laplacian ................................................................299
P. Jebelean and J. Mawhin

On uniqueness for ODEs arising in blow-up asymptotics for
nonlinear Heat Equations ................................................................313
Manuela Chaves and Victor A. Galaktionov




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