Add to ORKGThe first order dynamical system z\u27 = F(t,z) is considered, where F is T-periodic in time and sub-linear at infinity. Existence of T-periodic solution is proved, using degree theory, and applications to non-convex Hamiltonian systems is given as well
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
Smooth non-autonomous T-periodic differential equations x'(t)=f(t,x(t)) defined in \R\K^n, where \K ...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
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 dynamical system _z = F (t; z) is consid-ered, where F is T-periodic in time...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
Abstract. The rst order Hamiltonian system is considered with T{periodic Hamiltonian that is sub-qua...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
AbstractWe consider vector differential equtions x″ + g(t, x, x′) = f(t), x ϵ Rn, and show the exist...
AbstractOne important question in population models is whether periodic solutions exist and whether ...
AbstractWe study the existence and multiplicity of periodic solutions of the following second-order ...
AbstractHere we are concerned with the problem of the existence of periodic solution for certain sec...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
Smooth non-autonomous T-periodic differential equations x'(t)=f(t,x(t)) defined in \R\K^n, where \K ...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...
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 dynamical system _z = F (t; z) is consid-ered, where F is T-periodic in time...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
Abstract. The rst order Hamiltonian system is considered with T{periodic Hamiltonian that is sub-qua...
summary:This paper is concerned with periodic solutions of first-order nonlinear functional differen...
AbstractWe consider vector differential equtions x″ + g(t, x, x′) = f(t), x ϵ Rn, and show the exist...
AbstractOne important question in population models is whether periodic solutions exist and whether ...
AbstractWe study the existence and multiplicity of periodic solutions of the following second-order ...
AbstractHere we are concerned with the problem of the existence of periodic solution for certain sec...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
Smooth non-autonomous T-periodic differential equations x'(t)=f(t,x(t)) defined in \R\K^n, where \K ...
Abstract. The first order Hamiltonian system is considered with T–periodic Hamiltonian that is sub-q...