Symplectic regularization of binary collisions in the circular N+2 Sitnikov problem
Résumé
We present a brief overview of the regularizing transformations of the Kepler problem and we relate the Euler transformation with the symplectic structure of the phase space of the N -body problem. We show that any particular solution of the N -body problem where two bodies have rectilinear dynamics can be regularized by a linear symplectic transformation and the inclusion of the Euler transformation into the group of symplectic local diffeomorphisms over the phase space. As an application we regularize a particular configuration of the restricted circular N +2 body problem.
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