AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonautonomous nonconvex subquadratic second order Hamiltonian systems by using the minimax methods in critical point theory
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this article, using the Leray–Schauder degree theory, we discuss existence, nonexistence ...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
AbstractSome existence theorems are obtained for periodic solutions of nonautonomous second-order sy...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractWe prove the existence of nontrivial critical points for a class of superquadratic nonautono...
The first order Hamiltonian system is considered with T-periodic Hamiltonian that is sub-quadratic a...
In this paper, by using the least action principle, Sobolev’s inequality and Wirtinger’s inequality,...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
Using the nonsmooth variant of minimax point theorems, some existence results are obtained for perio...
AbstractA new result for existence of homoclinic orbits is obtained for the second-order Hamiltonian...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractPeriodic solutions and infinitely distinct subharmonic solutions are obtained for a class of...
AbstractSome existence results are obtained for periodic solutions of nonautonomous second-order dif...
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this article, using the Leray–Schauder degree theory, we discuss existence, nonexistence ...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
AbstractSome existence theorems are obtained for periodic solutions of nonautonomous second-order sy...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractWe prove the existence of nontrivial critical points for a class of superquadratic nonautono...
The first order Hamiltonian system is considered with T-periodic Hamiltonian that is sub-quadratic a...
In this paper, by using the least action principle, Sobolev’s inequality and Wirtinger’s inequality,...
AbstractSome existence theorems are obtained for subharmonic solutions of nonautonomous second order...
Using the nonsmooth variant of minimax point theorems, some existence results are obtained for perio...
AbstractA new result for existence of homoclinic orbits is obtained for the second-order Hamiltonian...
AbstractSome solvability conditions of periodic and subharmonic solutions are obtained for a class o...
AbstractPeriodic solutions and infinitely distinct subharmonic solutions are obtained for a class of...
AbstractSome existence results are obtained for periodic solutions of nonautonomous second-order dif...
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this article, using the Leray–Schauder degree theory, we discuss existence, nonexistence ...
AbstractThe purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions ...
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