Collision singularities in celestial mechanics

Details Collision singularities in celestial mechanics Collision singularities in celestial mechanics

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sjma...21.1563e&link_type=abstract

SIAM Journal on Mathematical Analysis (ISSN 0036-1410), vol. 21, Nov. 1990, p. 1563-1593.

Mathematics

4

Celestial Mechanics, Collision Parameters, Many Body Problem, Singularity (Mathematics), Coordinate Transformations, Equations Of Motion, Manifolds (Mathematics), Vectors (Mathematics)

Scientific paper

A general collision singularity of the n-body problem in which several clusters of particles collapse simultaneously is replaced by a collision manifold. The flow of the original problem is extended to the collision manifold. The flow on the collision manifold is studied and used to study the asymptotic behavior of collision orbits. The work of Saari and Hulkower is generalized and it is shown that near any collision singularity of the n-body problem none of the clusters enters into an infinite spin. In order to do that, the manifold of collinear configurations is studied as an embedded submanifold of the unit sphere.

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