We look for periodic solutions of planar systems obtained by adding an asymptotically positively homogeneous nonlinear term to an isochronous hamiltonian system. Precise computations of the topological degree are obtained by elementary phase-plane analysis
In this paper we provide an existence result of periodic solutions to planar systems having a repuls...
We prove existence and multiplicity results for periodic solutions of Hamiltonian systems, by the us...
Isochronous systems are not rare in dynamical systems. Three complex-valued nonlinear systems (quadr...
AbstractWe look for periodic solutions of planar systems obtained by adding an asymptotically positi...
We consider periodic perturbations of an isochronous hamiltonian system in the plane, depending on a...
We prove the existence of periodic solutions for a planar non-autonomous Hamiltonian system which ...
Abstract In this paper, we look for periodic solutions of planar Hamiltonian systems { x ′ = f ( y )...
I try to give a general description of the dynamics of the solutions for a planar hamiltonian system...
We review recent results about classical isochronous systems characterized by the presence of an ope...
We prove the existence of periodic solutions for a planar non-autonomous Hamiltonian system which is...
[[abstract]]This article deals with second order periodic Hamiltonian systems. We apply variational ...
AbstractWe prove the existence of periodic solutions for first order planar systems at resonance. Th...
AbstractI try to give a general description of the dynamics of the solutions for a planar hamiltonia...
Abstract. We describe a method to study the existence of whiskered quasi-periodic solutions in Hamil...
I try to give a general description of the dynamics of the solutions for a planar hamiltonian system...
In this paper we provide an existence result of periodic solutions to planar systems having a repuls...
We prove existence and multiplicity results for periodic solutions of Hamiltonian systems, by the us...
Isochronous systems are not rare in dynamical systems. Three complex-valued nonlinear systems (quadr...
AbstractWe look for periodic solutions of planar systems obtained by adding an asymptotically positi...
We consider periodic perturbations of an isochronous hamiltonian system in the plane, depending on a...
We prove the existence of periodic solutions for a planar non-autonomous Hamiltonian system which ...
Abstract In this paper, we look for periodic solutions of planar Hamiltonian systems { x ′ = f ( y )...
I try to give a general description of the dynamics of the solutions for a planar hamiltonian system...
We review recent results about classical isochronous systems characterized by the presence of an ope...
We prove the existence of periodic solutions for a planar non-autonomous Hamiltonian system which is...
[[abstract]]This article deals with second order periodic Hamiltonian systems. We apply variational ...
AbstractWe prove the existence of periodic solutions for first order planar systems at resonance. Th...
AbstractI try to give a general description of the dynamics of the solutions for a planar hamiltonia...
Abstract. We describe a method to study the existence of whiskered quasi-periodic solutions in Hamil...
I try to give a general description of the dynamics of the solutions for a planar hamiltonian system...
In this paper we provide an existence result of periodic solutions to planar systems having a repuls...
We prove existence and multiplicity results for periodic solutions of Hamiltonian systems, by the us...
Isochronous systems are not rare in dynamical systems. Three complex-valued nonlinear systems (quadr...
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