AbstractWe consider the periodic solutions of the second order Hamiltonian system-x¨-λx=h(t)V′(x)with V being positive and superquadratic at infinity, h being C1, 2π-periodic, sign changing and all zeros being simple. Some existence and multiplicity results of periodic solutions are given
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
Some existence theorems are obtained for periodic solutions of second order Hamiltonian system by us...
Abstract In this paper, we study the second-order Hamiltonian systems u¨−L(t)u+∇W(t,u)=0,t∈R, $$ \dd...
AbstractWe consider the periodic solutions of the second order Hamiltonian system-x¨-λx=h(t)V′(x)wit...
We consider the periodic solutions of the second order Hamiltonian system -x over dot - lambda x ...
We consider the periodic solutions of the second order Hamiltonian system -x-lambda x = h (t) V&a...
AbstractWe study the existence of 2π-periodic solutions of the second order Hamiltonian systems −x¨−...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this paper we present some recent multiplicity results for a class of second order Hamiltonian sy...
Fei We study the existence of periodic solutions for some Hamiltonian systems z ̇ = JHz(t, z) under...
Multiplicity results for an eigenvalue second-order Hamiltonian system are investigated. Using suita...
AbstractIn this paper, we consider the superquadratic second order Hamiltonian systemu″(t)+A(t)u(t)+...
AbstractIn this paper, an existence theorem is obtained for periodic solutions of a second-order dis...
Under an appropriate oscillating behavior of the nonlinear term, the existence of infinitely many pe...
AbstractThe existence and multiplicity of periodic solutions are obtained for nonautonomous second o...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
Some existence theorems are obtained for periodic solutions of second order Hamiltonian system by us...
Abstract In this paper, we study the second-order Hamiltonian systems u¨−L(t)u+∇W(t,u)=0,t∈R, $$ \dd...
AbstractWe consider the periodic solutions of the second order Hamiltonian system-x¨-λx=h(t)V′(x)wit...
We consider the periodic solutions of the second order Hamiltonian system -x over dot - lambda x ...
We consider the periodic solutions of the second order Hamiltonian system -x-lambda x = h (t) V&a...
AbstractWe study the existence of 2π-periodic solutions of the second order Hamiltonian systems −x¨−...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this paper we present some recent multiplicity results for a class of second order Hamiltonian sy...
Fei We study the existence of periodic solutions for some Hamiltonian systems z ̇ = JHz(t, z) under...
Multiplicity results for an eigenvalue second-order Hamiltonian system are investigated. Using suita...
AbstractIn this paper, we consider the superquadratic second order Hamiltonian systemu″(t)+A(t)u(t)+...
AbstractIn this paper, an existence theorem is obtained for periodic solutions of a second-order dis...
Under an appropriate oscillating behavior of the nonlinear term, the existence of infinitely many pe...
AbstractThe existence and multiplicity of periodic solutions are obtained for nonautonomous second o...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
Some existence theorems are obtained for periodic solutions of second order Hamiltonian system by us...
Abstract In this paper, we study the second-order Hamiltonian systems u¨−L(t)u+∇W(t,u)=0,t∈R, $$ \dd...
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