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| Few bodies problems have been studied for long time in Celestial Mechanics in order to understand the complex dynamics of our solar system. Two, three and more recently, four body problems have been studied as simplified models of planetary systems or as benchmark models where new mathematical theories can be tested. In this talk we will show some new results regarding to these problems, such results are related to invariant objects of the dynamics: periodic orbits, equilibrium points and their invariant manifolds. |
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