Exploració per autor "Álvarez Ramírez, Martha"
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Ejection-collision orbits in the symmetric collinear four–body problem
Álvarez Ramírez, Martha; Barrabés Vera, Esther; Medina, M.; Ollé Torner, Mercè (2019-06-15)
Article
Accés obertIn this paper, we consider the collinear symmetric four-body problem, where four masses and a¿>¿0, are aligned in this order and move symmetrically about their center of mass. We introduce regularized variables to deal ... -
Non-integrability of some few body problems in two degrees of freedom
Acosta Humánez, Primitivo Belén; Álvarez Ramírez, Martha; Delgado Fernández, Joaquín (2008-11-16)
Article
Accés obertThe basic theory of Differential Galois and in particular Morales--Ramis theory is reviewed with focus in analyzing the non--integrability of various problems of few bodies in Celestial Mechanics. The main theoretical ...