Add to ORKGAbstract. The rst order dynamical system _z = F (t; z) is consid-ered, where F is T-periodic in time and sub-linear at innity. Existence of T{periodic solution is proved, using degree theory, and applications to non-convex Hamiltonian systems is given as well. 1. Introduction an
We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+A...
AbstractWe prove the existence of a periodic solution, y∈C1(R,Rℓ), of a first-order differential equ...
AbstractWe study the existence of T-periodic solutions of some first order functional differential e...
The first order dynamical system z\u27 = F(t,z) is considered, where F is T-periodic in time and sub...
Abstract. The rst order Hamiltonian system is considered with T{periodic Hamiltonian that is sub-qua...
The first order dynamical system z\u27 = F(t,z) is considered, where F is T-periodic in time and sub...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
AbstractHere we are concerned with the problem of the existence of periodic solution for certain sec...
AbstractIn this paper, in the case of not requiring the nonlinear terms to be non-negative the exist...
AbstractIn this paper, using topological degree and linear algebra techniques, we prove that a certa...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
3noWe prove the existence of periodic solutions of some infinite-dimensional systems by the use of t...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+A...
AbstractWe prove the existence of a periodic solution, y∈C1(R,Rℓ), of a first-order differential equ...
AbstractWe study the existence of T-periodic solutions of some first order functional differential e...
The first order dynamical system z\u27 = F(t,z) is considered, where F is T-periodic in time and sub...
Abstract. The rst order Hamiltonian system is considered with T{periodic Hamiltonian that is sub-qua...
The first order dynamical system z\u27 = F(t,z) is considered, where F is T-periodic in time and sub...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
AbstractHere we are concerned with the problem of the existence of periodic solution for certain sec...
AbstractIn this paper, in the case of not requiring the nonlinear terms to be non-negative the exist...
AbstractIn this paper, using topological degree and linear algebra techniques, we prove that a certa...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
3noWe prove the existence of periodic solutions of some infinite-dimensional systems by the use of t...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
In this paper we provide conditions to ensure the existence, for epsilon > 0 sufficiently small, ...
We prove the existence solutions for the sub-linear first-order Hamiltonian system $J\dot{u}(t)+A...
AbstractWe prove the existence of a periodic solution, y∈C1(R,Rℓ), of a first-order differential equ...
AbstractWe study the existence of T-periodic solutions of some first order functional differential e...