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    Article

    Some Qualitative Features of the Isosceles Trapezoidal Four-Body Problem

    In this article, we present a novel survey of known qualitative features of the isosceles trapezoidal four-body problem, that has three degrees of freedom, as well as its two subsystems with two degrees of fre...

    Martha Alvarez-Ramírez, Mario Medina in Qualitative Theory of Dynamical Systems (2020)

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    Article

    The Rhomboidal 4-Body Problem Revisited

    We consider the planar rhomboidal 4-body problem where the masses are equal by pairs. In this paper we briefly review some recent results related to binary and total collision regularization, central configura...

    Martha Alvarez-Ramírez, Mario Medina in Qualitative Theory of Dynamical Systems (2015)

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    Article

    Symbolic dynamics in the symmetric collinear four-body problem

    In this article we prove the existence of a countable number of ejection-collision orbits for the symmetric collinear four body problem with negative energy. These orbits come out from total collision, pass th...

    Ernesto A. Lacomba, Mario Medina in Qualitative Theory of Dynamical Systems (2004)