Minimax theorems on manifolds via Ekeland variational principle.
Minimizing p-harmonic maps into spheres.
Mixed two-point boundary-value problems for impulsive differential equations.
Multiple homoclinic solutions for a class of autonomous singular systems in R2
Multiplicity of homoclinic orbits for a class of asymptotically periodic Hamiltonian systems
We prove the existence of infinitely many geometrically distinct homoclinic orbits for a class of asymptotically periodic second order Hamiltonian systems.
Multiplicity of positive solutions for second order quasilinear equations
We discuss the existence and multiplicity of positive solutions for a class of second order quasilinear equations. To obtain our results we will use the Ekeland variational principle and the Mountain Pass Theorem.