On the Centre Manifold of Collinear Points in the Planar Three-Body Problem |
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| Authors: | Regina Martínez Anna Samà |
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| Institution: | (1) Dept. de Matemàtiques, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, e-mail |
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| Abstract: | We study the existence of invariant tori in a neighbourhood of the collinear equilibrium points of the planar three-body problem. To this end some properties of the normal form of the Hamiltonian reduced to the 4D central manifold are proved. Using this normal form, we show that the nondegeneracy conditions of KAM theorem are satisfied for all positive masses, including the 2:1 resonance case. The evaluation of the conditions is done numerically. |
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| Keywords: | three-body problem libration points homographic solutions KAM theory |
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