Abstract. The rst order Hamiltonian system is considered with T{periodic Hamiltonian that is sub-quadratic at innity. Two kinds of sub-quadraticity are considered. The existence of T{periodic solution is proved using variational methods. 1. Introduction an
AbstractIn this paper, we study the minimal period problem for the first-order Hamiltonian systems w...
AbstractThe existence and multiplicity of periodic solutions are obtained for nonautonomous second o...
We are concerned with a class of singular Hamiltonian systems on time scales. Some results on the ex...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
Abstract. The rst order dynamical system _z = F (t; z) is consid-ered, where F is T-periodic in time...
Some existence conditions of periodic solutions are obtained for a class of nonautono mous subquadr...
Some existence conditions of periodic solutions are obtained for a class of nonautono-mous subquadra...
We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+A...
Some existence conditions of periodic solutions are obtained for a class of nonautono-mous subquadra...
[[abstract]]This article deals with second order periodic Hamiltonian systems. We apply variational ...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
We deal with the quasi-periodic solutions of the following second-order Hamiltonian systems x¨(t)=∇F...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this paper, we study the existence of periodic solutions of hamiltonian systems: x ̇ = J H ′(t, ...
AbstractIn this paper, we study the minimal period problem for the first-order Hamiltonian systems w...
AbstractThe existence and multiplicity of periodic solutions are obtained for nonautonomous second o...
We are concerned with a class of singular Hamiltonian systems on time scales. Some results on the ex...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
Abstract. The rst order dynamical system _z = F (t; z) is consid-ered, where F is T-periodic in time...
Some existence conditions of periodic solutions are obtained for a class of nonautono mous subquadr...
Some existence conditions of periodic solutions are obtained for a class of nonautono-mous subquadra...
We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+A...
Some existence conditions of periodic solutions are obtained for a class of nonautono-mous subquadra...
[[abstract]]This article deals with second order periodic Hamiltonian systems. We apply variational ...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
We deal with the quasi-periodic solutions of the following second-order Hamiltonian systems x¨(t)=∇F...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this paper, we study the existence of periodic solutions of hamiltonian systems: x ̇ = J H ′(t, ...
AbstractIn this paper, we study the minimal period problem for the first-order Hamiltonian systems w...
AbstractThe existence and multiplicity of periodic solutions are obtained for nonautonomous second o...
We are concerned with a class of singular Hamiltonian systems on time scales. Some results on the ex...