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arXiv 0909.4991math-phmath.MP
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三体问题的Saari同形猜想

Saari's Homographic Conjecture of the Three-Body Problem

Florin Diacu, Toshiaki Fujiwara, Ernesto Perez-Chavela, Manuele Santoprete

摘要:

Saari的单应性猜想推广了DonaldSaari在1970年提出的一个经典命题,即具有常数构形测度的牛顿$n$ -体问题的解是单应性的.换句话说,如果相互距离满足一定的关系,粒子系统的配置可能会改变大小和位置,但不会改变形状。我们证明了这一猜想的大型集的初始条件在三体问题的齐次潜力,包括牛顿的。我们的一些结果是正确的$n\ge 3$。

英文摘要:

Saari's homographic conjecture, which extends a classical statement proposed by Donald Saari in 1970, claims that solutions of the Newtonian $n$-body problem with constant configurational measure are homographic. In other words, if the mutual distances satisfy a certain relationship, the configuration of the particle system may change size and position but not shape. We prove this conjecture for large sets of initial conditions in three-body problems given by homogeneous potentials, including the Newtonian one. Some of our results are true for $n\ge 3$.

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