Add to ORKGWe give a proof based in geometric perturbation theory of a result proved by J.N. Mather using variational methods. Namely, the existence of orbits with unbounded energy in perturbations of a generic geodesic flow in T^2 by a generic periodic potential
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...
We study mechanical systems defined by homogeneous polynomial po-tentials of degree 4 on the plane, ...
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...
A geometric approach to the existence of orbits with unbounded energy in generic periodic perturbati...
We show that certain mechanical systems, including a geodesic °ow in any dimension plus a quasi-peri...
We show that certain mechanical systems, including a geodesic °ow in any dimension plus a quasi-per...
We study Hamiltonian systems which depend slowly on time. We show that if the corresponding frozen s...
In this work we obtain families of periodical orbits for some gravitational potentials from planar b...
AbstractWe show that certain mechanical systems, including a geodesic flow in any dimension plus a q...
The $J^k$ space of $k$-jets of a real function of one real variable $x$ admits the structure of a su...
AbstractWe state a fundamental correspondence between geodesics on stationary spacetimes and the equ...
In this paper we look for periodic orbits for a Lagrangian system in a complete Riemannian manifold ...
In this paper we look for periodic orbits for a Lagrangian system in a complete Riemannian manifold ...
We extend here results for escapes in any given direction of the configuration space of a mechanical...
and E. Zehnder* Surfaces of sections are a classical tool in the study of 3-dimensional dy-namical s...
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...
We study mechanical systems defined by homogeneous polynomial po-tentials of degree 4 on the plane, ...
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...
A geometric approach to the existence of orbits with unbounded energy in generic periodic perturbati...
We show that certain mechanical systems, including a geodesic °ow in any dimension plus a quasi-peri...
We show that certain mechanical systems, including a geodesic °ow in any dimension plus a quasi-per...
We study Hamiltonian systems which depend slowly on time. We show that if the corresponding frozen s...
In this work we obtain families of periodical orbits for some gravitational potentials from planar b...
AbstractWe show that certain mechanical systems, including a geodesic flow in any dimension plus a q...
The $J^k$ space of $k$-jets of a real function of one real variable $x$ admits the structure of a su...
AbstractWe state a fundamental correspondence between geodesics on stationary spacetimes and the equ...
In this paper we look for periodic orbits for a Lagrangian system in a complete Riemannian manifold ...
In this paper we look for periodic orbits for a Lagrangian system in a complete Riemannian manifold ...
We extend here results for escapes in any given direction of the configuration space of a mechanical...
and E. Zehnder* Surfaces of sections are a classical tool in the study of 3-dimensional dy-namical s...
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...
We study mechanical systems defined by homogeneous polynomial po-tentials of degree 4 on the plane, ...
We state a fundamental correspondence between geodesics on stationary spacetimes and the equations ...