Central Configurations of the Symmetric Restricted 4-Body Problem |
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Authors: | Martha Alvarez-Ramírez Joaquín Delgado |
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Institution: | (1) Departamento de Matemáticas, Universidad Autónoma Metropolitana, Iztapalapa, A.P. 55-534, 09340 Iztapalapa, México, D.F., México, e-mail |
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Abstract: | We consider the symmetric planar (3 + 1)-body problem with finite masses m
1 = m
2 = 1, m
3 = µ and one small mass m
4 = . We count the number of central configurations of the restricted case = 0, where the finite masses remain in an equilateral triangle configuration, by means of the bifurcation diagram with as the parameter. The diagram shows a folding bifurcation at a value consistent with that found numerically by Meyer 9] and it is shown that for small > 0 the bifurcation diagram persists, thus leading to an exact count of central configurations and a folding bifurcation for small m
4 > 0. |
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Keywords: | restricted 4-body problem central configuration analytic continuation |
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