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  1. No Access

    Article

    Overview and comparison of approaches towards the planar restricted five-body problem with primaries forming an axisymmetric four-body central configuration

    The aim of this paper is to present recent results on the restricted five-body problem where the primaries are located at a known central configuration having the x\(x\)-axis as symmetry axis, so that two bodies wi...

    Martha Alvarez-Ramírez, Mario Medina in Astrophysics and Space Science (2020)

  2. No Access

    Article

    The trapezoidal collinear four-body problem

    This paper consider the trapezoidal collinear four-body problem as a model for binary-binary gravitational interaction in star clusters. It has two degrees of freedom, it also is a sub-problem of the trapezoid...

    Martha Alvarez-Ramírez, Mario Medina, Claudio Vidal in Astrophysics and Space Science (2015)

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    Article

    A model for binary-binary close encounters and collisions from a dynamical point of view

    The goal of this paper is to provide a model for binary-binary interactions in star clusters, which is based on simultaneous binary collision of a special case of the one-dimensional 4-body problem where four ...

    Martha Alvarez-Ramírez, Mario Medina in Astrophysics and Space Science (2014)