Families of periodic solutions of the 4- and 6-body problem using a gradient-free continuation method

Fuente: arXiv
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Autor principal: Perdomo, Oscar
Formato: Preprint
Publicado: 2026
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author Perdomo, Oscar
author_facet Perdomo, Oscar
contents In this paper, we describe a gradient-free method to solve a system of equations, and we use it to construct two families of pseudo-periodic planar solutions of the 4- and 6-body problem. The method is a stochastic black-box procedure that uses only function evaluations. For the 4-body problem, bodies 1 and 2 have mass 1 and move opposite to each other, and bodies 3 and 4 have mass $m_2$ and also move opposite to each other. For the 6-body problem, bodies 1, 2, and 3 have mass 1 and move on the vertices of an equilateral triangle centered at the origin, and bodies 4, 5, and 6 have mass $m_2$ and also move on the vertices of an equilateral triangle. In both cases, we compute families of periodic solutions by imposing return conditions up to rotation and relabeling.
format Preprint
id arxiv_https___arxiv_org_abs_2604_05653
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Families of periodic solutions of the 4- and 6-body problem using a gradient-free continuation method
Perdomo, Oscar
Dynamical Systems
Mathematical Physics
70F10 (Primary), 70F15, 37N05 (Secondary)
In this paper, we describe a gradient-free method to solve a system of equations, and we use it to construct two families of pseudo-periodic planar solutions of the 4- and 6-body problem. The method is a stochastic black-box procedure that uses only function evaluations. For the 4-body problem, bodies 1 and 2 have mass 1 and move opposite to each other, and bodies 3 and 4 have mass $m_2$ and also move opposite to each other. For the 6-body problem, bodies 1, 2, and 3 have mass 1 and move on the vertices of an equilateral triangle centered at the origin, and bodies 4, 5, and 6 have mass $m_2$ and also move on the vertices of an equilateral triangle. In both cases, we compute families of periodic solutions by imposing return conditions up to rotation and relabeling.
title Families of periodic solutions of the 4- and 6-body problem using a gradient-free continuation method
topic Dynamical Systems
Mathematical Physics
70F10 (Primary), 70F15, 37N05 (Secondary)
url https://arxiv.org/abs/2604.05653