主要研究了一类带有阻尼项的二阶哈密顿系统的周期解的存在性。
The purpose of this paper is to study the existence of periodic solutions of a class of second order Hamiltonian Systems ith damping term.
用变分方法证明了二阶奇异平面哈密顿系统的同宿轨道的存在性。
The existence of a homoclinic orbit for a singular second order planar Hamiltonian system is proved by using variational methods.
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