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arXiv math/0304103math.DS
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椭圆环面附近的周期轨道及其在三体问题中的应用

Periodic orbits close to elliptic tori and applications to the three-body problem

Massimiliano Berti, Luca Biasco, Enrico Valdinoci

摘要:

在适当的非共振和非退化“扭”条件下,证明了(哈密顿系统的)椭圆不变环面上存在无穷多个周期解,且最小周期越来越大.我们证明了这一结果的适用性的空间行星三体问题中的小偏心率倾角制度。此外,我们发现其他周期轨道的一些限制的周期和质量的“行星”。证明是基于平均理论,KAM理论和变分方法。(由M.U.R.S.T.提供支持)变分方法与非线性微分方程

英文摘要:

We prove, under suitable non-resonance and non-degeneracy ``twist'' conditions, a Birkhoff-Lewis type result showing the existence of infinitely many periodic solutions, with larger and larger minimal period, accumulating onto elliptic invariant tori (of Hamiltonian systems). We prove the applicability of this result to the spatial planetary three-body problem in the small eccentricity-inclination regime. Furthermore, we find other periodic orbits under some restrictions on the period and the masses of the ``planets''. The proofs are based on averaging theory, KAM theory and variational methods. (Supported by M.U.R.S.T. Variational Methods and Nonlinear Differential Equations.)

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