The existence of quasi-periodic solutions and the boundedness of all solutions of the equation, d2x/dt2+x2n+1 + ??k = Ol xkpk(t) = 0, l&le2n, are studied. It has been shown that there are infinitely many quasi-periodic solutions and boundedness of all solutions of this equation when l = 0, m = 1, and p0(t) is a continuous function.EI06645-6553
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...
AbstractIn this study, we investigate a Duffing type p-Laplacian equation. Some new criteria for gua...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
In this paper, we prove the existence of infinitely many quasiperiodic solutions for a class of coup...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
In this paper, we are concerned with the boundedness of all the solutions and the existence of quasi...
In this paper we prove the existence of invariant tori and thus the boundedness of all solutions and...
The present investigation concentrates on the phenomenological and analytically quantitative study o...
J. Littlewood, L. Markus, and J. Moser proposed independently the boundedness problem for solutions ...
AbstractJ. Littlewood, L. Markus, and J. Moser proposed independently the boundedness problem for so...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
AbstractBy using Mawhin–Manásevich continuation theorem, some new sufficient conditions for the exis...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...
AbstractIn this study, we investigate a Duffing type p-Laplacian equation. Some new criteria for gua...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
In this paper, we prove the existence of infinitely many quasiperiodic solutions for a class of coup...
We are concerned with the existence and uniqueness of the quasiperiodic solution to Duffing type equ...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
In this paper, we are concerned with the boundedness of all the solutions and the existence of quasi...
In this paper we prove the existence of invariant tori and thus the boundedness of all solutions and...
The present investigation concentrates on the phenomenological and analytically quantitative study o...
J. Littlewood, L. Markus, and J. Moser proposed independently the boundedness problem for solutions ...
AbstractJ. Littlewood, L. Markus, and J. Moser proposed independently the boundedness problem for so...
We provide sufficient conditions for the existence of periodic solutions in the class of Duffing dif...
AbstractBy using Mawhin–Manásevich continuation theorem, some new sufficient conditions for the exis...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...
AbstractIn this study, we investigate a Duffing type p-Laplacian equation. Some new criteria for gua...
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