AbstractSome existence theorems are obtained for periodic solutions of nonautonomous second-order systems by using the least action principle and the minimax methods
AbstractThe purpose of this paper is to study the existence of periodic solutions of non-autonomous ...
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this paper we give an existence and uniqueness theorem for a nonlinear second order homog...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
Using the nonsmooth variant of minimax point theorems, some existence results are obtained for perio...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
In this paper, by using the least action principle, Sobolev’s inequality and Wirtinger’s inequality,...
AbstractWe study the existence of periodic solutions for a second-order non-autonomous dynamical sys...
AbstractIn this paper, we study the existence of solutions for a class of resonant difference system...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractThis article investigates the existence of solutions to boundary value problems (BVPs) invol...
AbstractSome existence results are obtained for periodic solutions of nonautonomous second-order dif...
AbstractWe prove the existence of nontrivial critical points for a class of superquadratic nonautono...
AbstractIn this article, using the Leray–Schauder degree theory, we discuss existence, nonexistence ...
AbstractThe upper and lower solutions method and a new maximum principle are employed to establish s...
AbstractThe purpose of this paper is to study the existence of periodic solutions of non-autonomous ...
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this paper we give an existence and uniqueness theorem for a nonlinear second order homog...
AbstractAn existence theorem is obtained for periodic solutions of nonautonomous second order Hamilt...
Using the nonsmooth variant of minimax point theorems, some existence results are obtained for perio...
AbstractSome existence theorems are obtained for periodic solutions of a class of unbounded nonauton...
In this paper, by using the least action principle, Sobolev’s inequality and Wirtinger’s inequality,...
AbstractWe study the existence of periodic solutions for a second-order non-autonomous dynamical sys...
AbstractIn this paper, we study the existence of solutions for a class of resonant difference system...
AbstractSome existence theorems are obtained for periodic solutions of the subquadratic second order...
AbstractThis article investigates the existence of solutions to boundary value problems (BVPs) invol...
AbstractSome existence results are obtained for periodic solutions of nonautonomous second-order dif...
AbstractWe prove the existence of nontrivial critical points for a class of superquadratic nonautono...
AbstractIn this article, using the Leray–Schauder degree theory, we discuss existence, nonexistence ...
AbstractThe upper and lower solutions method and a new maximum principle are employed to establish s...
AbstractThe purpose of this paper is to study the existence of periodic solutions of non-autonomous ...
Three periodic solutions for perturbed second order Hamiltonian systems \begin{abstract} In this pa...
AbstractIn this paper we give an existence and uniqueness theorem for a nonlinear second order homog...
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