Periodic solutions for a class of autonomous hamiltonian systems
Periodic solutions for second order Hamiltonian systems
By using the least action principle and minimax methods in critical point theory, some existence theorems for periodic solutions of second order Hamiltonian systems are obtained.
Periodic solutions for second-order Hamiltonian systems with a p -Laplacian
In this paper, by using the least action principle, Sobolev's inequality and Wirtinger's inequality, some existence theorems are obtained for periodic solutions of second-order Hamiltonian systems with a p-Laplacian under subconvex condition, sublinear growth condition and linear growth condition. Our results generalize and improve those in the literature.
Periodic solutions of a non coercive Hamiltonian system.
Periodic Solutions of Asymptotically Linear Hamiltonian Systems.
Periodic solutions of some problems of 3-body type
Perturbation of Hamiltonian Systems with Keplerian Potentials.
Perturbations of Systems Describing the Motion of a Particle in Central Fields
The present paper deals with the KAM-theory conditions for systems describing the motion of a particle in central field.
Problème diophantien des moments et modèle d'Ising
Problème diophantien des moments et modèle d'Ising