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arXiv 1612.04033math.DS
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一阶自治哈密顿系统的极小$P$ -对称周期问题

Minimal $P$-symmetric period problem of first-order autonomous Hamiltonian Systems

Chungen Liu, Ben-Xing Zhou

摘要:

设$P\in Sp(2n)$满足$P^{k}=I_{2n}$,我们考虑了自治非线性Hamilton系统\begin{equation*} \dot x(t) = JH^{\prime}(x(t)). \end{equation*}的最小$P$对称周期问题.对于某些辛矩阵$P$,我们证明了对于任何$τ>0$,上述Hamilton系统都有一个$kτ$周期解$x$,其中$kτ$是它的最小$P$对称周期,只要$H$满足Rabinowitz关于最小周期猜想的条件.连同$H$是凸的和$H(Px)=H(x)$。

英文摘要:

Let $P\in Sp(2n)$ satisfying $P^{k}=I_{2n}$, we consider the minimal $P$-symmetric period problem of the autonomous nonlinear Hamiltonian system \begin{equation*} \dot x(t) = JH^{\prime}(x(t)). \end{equation*} For some symplectic matrices $P$, we show that for any $τ>0$ the above Hamiltonian system possesses a $kτ$ periodic solution $x$ with $kτ$ being its minimal $P$-symmetric period provided $H$ satisfies the Rabinowitz's conditions on the minimal period conjecture, together with that $H$ is convex and $H(Px)=H(x)$.

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