The non-existence of centre-of-mass and linear-momentum integrals in the curved N-body problem

The non-existence of centre-of-mass and linear-momentum integrals in the curved N-body problem
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弯曲 N 体问题中不存在质心积分和线性动量积分

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发表时间:
2012
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通讯作者:
F. Diacu
F. Diacu
中科院分区:
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文献类型:
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作者:
F. Diacu

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我们给出了曲线N体问题中的一类轨道,对于该问题,可以起到质心作用的点不是固定的,也不是沿测地线均匀移动的。这证明运动方程缺少质心积分和线动量积分。
We provide a class of orbits in the curved N-body problem for which no point that could play the role of the centre of mass is fixed or moves uniformly along a geodesic. This proves that the equations of motion lack centre-of-mass and linear-momentum integrals.