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On the anisotropic Manev problem

机译:关于各向异性马涅夫问题

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摘要

We consider the Manev potential, given by the sum between the inverse and the inverse square of the distance, in an anisotropic space, i. e., such that the force acts differently in each direction. Using McGehee coordinates, we blow up the collision singularity, paste a collision manifold to the phase space, study the flow on and near the collision manifold, and find a positive-measure set of collision orbits. Besides frontal homothetic, frontal nonhomothetic, and spiraling collisions and ejections, we put into the evidence the surprising class of oscillatory collision and ejection orbits. Using the infinity manifold, we further tackle capture and escape solutions in the zero-energy case. By finding the connection orbits between equilibria and/or cycles at impact and at infinity, we describe a large class of capture-collision and ejection-escape solutions.
机译:我们考虑在各向异性空间即距离中,距离的倒数和平方的平方之和给出的马涅夫势。例如,使得力在每个方向上的作用不同。使用McGehee坐标,我们将碰撞奇点炸开,将碰撞流形粘贴到相空间中,研究碰撞流形上和附近的流,并找到一组正向的碰撞轨道。除了额叶同质,额叶非全同性和螺旋形的碰撞和弹射,我们还证明了令人惊讶的振荡碰撞和弹射轨道。使用无穷大流形,我们可以进一步解决零能量情况下的捕获和逃逸解决方案。通过找到在碰撞和无穷大时平衡和/或循环之间的连接轨道,我们描述了一大类捕获碰撞和弹出逃逸解决方案。

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