AbstractPeriodic solutions and infinitely distinct subharmonic solutions are obtained for a class of nonconvex and nonautonomous superquadratic Hamiltonian systems ż=JHz(z,t) by using the minimax methods in critical point theory
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractWe study the existence of 2π-periodic solutions of the second order Hamiltonian systems −x¨−...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
AbstractSome solvability conditions of periodic solutions and subharmonic solutions are obtained for...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
The first order Hamiltonian system is considered with T-periodic Hamiltonian that is sub-quadratic a...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
summary:By using the least action principle and minimax methods in critical point theory, some exist...
AbstractIn this paper we study the asymptotically linear Hamiltonian systems −Jż=H′(t,z) with resona...
AbstractPeriodic solutions and infinitely distinct subharmonic solutions are obtained for a class of...
AbstractIn this paper, some existence theorems of periodic solutions of a class of the nonautonomous...
In this paper, the existence of periodic solutions to the second order Hamiltonian systems is invest...
AbstractWe consider the periodic solutions of the second order Hamiltonian system-x¨-λx=h(t)V′(x)wit...
We prove existence and multiplicity of subharmonic solutions for Hamiltonian systems obtained as per...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractWe study the existence of 2π-periodic solutions of the second order Hamiltonian systems −x¨−...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
AbstractSome solvability conditions of periodic solutions and subharmonic solutions are obtained for...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
The first order Hamiltonian system is considered with T-periodic Hamiltonian that is sub-quadratic a...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
summary:By using the least action principle and minimax methods in critical point theory, some exist...
AbstractIn this paper we study the asymptotically linear Hamiltonian systems −Jż=H′(t,z) with resona...
AbstractPeriodic solutions and infinitely distinct subharmonic solutions are obtained for a class of...
AbstractIn this paper, some existence theorems of periodic solutions of a class of the nonautonomous...
In this paper, the existence of periodic solutions to the second order Hamiltonian systems is invest...
AbstractWe consider the periodic solutions of the second order Hamiltonian system-x¨-λx=h(t)V′(x)wit...
We prove existence and multiplicity of subharmonic solutions for Hamiltonian systems obtained as per...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractWe study the existence of 2π-periodic solutions of the second order Hamiltonian systems −x¨−...
summary:The purpose of this paper is to study the existence of periodic solutions for the non-autono...
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