AbstractIn this paper, we prove the boundedness of all solutions for the periodic equation x″+ω2x+ϕ(x)=Gx(x,t)+p(t), where ω satisfies the Diophantine condition, ϕ(x)∈C19 is bounded, p(t)∈C23 and DxiDtjG(x,t) is bounded for 0⩽i+j⩽21
AbstractIn this paper, we prove a sufficient and necessary condition for the boundedness of all solu...
The existence of quasi-periodic solutions and the boundedness of all solutions of the equation, d2x/...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
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...
AbstractIn this paper, we are concerned with the boundedness of all the solutions for the semilinear...
<正> We consider the nonlinear periodic differential equationd~2x/dt~2+βx~(2n+1)+a(t)x=p(t),n≥1...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
AbstractWe consider the nonlinear Hill's equation with periodic forcing term x′' + βx2n + 1 + (a1 + ...
AbstractIn this paper, based on a generalized version of the Aubry-Mather theorem about twist maps o...
AbstractIn this paper, based on a generalized version of the Aubry-Mather theorem about twist maps o...
AbstractIn this paper the Duffing-type equation (d2x/dt2)+x2n+1+p2n(t)x2n+…+p1(t)x+p0(t)=0 is studie...
In this paper, we are concerned with the boundedness of all the solutions for the semilinear Duffing...
AbstractIn this paper, using a generalized form of the Poincaré–Birkhoff theorem and a fixed point t...
AbstractIn this paper, we prove a sufficient and necessary condition for the boundedness of all solu...
The existence of quasi-periodic solutions and the boundedness of all solutions of the equation, d2x/...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
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...
AbstractIn this paper, we are concerned with the boundedness of all the solutions for the semilinear...
<正> We consider the nonlinear periodic differential equationd~2x/dt~2+βx~(2n+1)+a(t)x=p(t),n≥1...
AbstractIn this paper, we are concerned with the boundedness of all the solutions and the existence ...
AbstractWe consider the nonlinear Hill's equation with periodic forcing term x′' + βx2n + 1 + (a1 + ...
AbstractIn this paper, based on a generalized version of the Aubry-Mather theorem about twist maps o...
AbstractIn this paper, based on a generalized version of the Aubry-Mather theorem about twist maps o...
AbstractIn this paper the Duffing-type equation (d2x/dt2)+x2n+1+p2n(t)x2n+…+p1(t)x+p0(t)=0 is studie...
In this paper, we are concerned with the boundedness of all the solutions for the semilinear Duffing...
AbstractIn this paper, using a generalized form of the Poincaré–Birkhoff theorem and a fixed point t...
AbstractIn this paper, we prove a sufficient and necessary condition for the boundedness of all solu...
The existence of quasi-periodic solutions and the boundedness of all solutions of the equation, d2x/...
AbstractIn this paper, we deal with the existence of periodic solutions of the second order differen...