Periodic solutions for subquadratic discrete Hamiltonian systems.
Periodic solutions of hamiltonian systems of 3-body type
Periodic Solutions of Hamiltonian Systems on Hypersurfaces in Torus.
Periodic solutions of second order hamiltonian systems bifurcating from infinity
Periodic solutions of second-order nonautonomous dynamical systems.
Periodic solutions of some problems of 3-body type
Periodic Solutions of Superquadratic Hamiltonian Systems with Bounded Forcing Terms.
Periodic Solutions on hypersurfaces and a result by C. Viterbo.
Periodic solutions with prescribed energy for some keplerian -body problems
Periodicity and transport from round-off errors.
Persistance d'intersection avec la section nulle au cours d'une isotopie hamiltonienne dans un fibre cotangent.
Perturbation by analytic discs along maximal real submanifolds of CN.
Perturbation results for a class of singular Hamiltonian systems
The existence of solutions with prescribed period for a class of Hamiltonian systems with a Keplerian singularity is discussed.
Perturbation theory and discrete Hamiltonian dynamics.
Perturbations of quadratic hamiltonian systems with symmetry
Perturbations of stable invariant tori for hamiltonian systems
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.
Perturbations of the spherical pendulum and Abelian integrals.
Perturbative computation of analytic invariants of resonant diffeomorphisms of
Perturbazioni periodiche di equazioni differenziali ordinarie su varietà differenziabili