1 Table of Contents: “... of two body collisions -- The restricted three body problem -- Contact geometry and the restricted three...”

2 Table of Contents: “...-equilibrium solutions in the repulsive coulombian isosceles 3-body problem -- Groupes de Lie à structures...”

3 Table of Contents: “... -- Agustin Moreno, Contact geometry in the restricted three-body problem: a survey -- Agustin Moreno, Otto...”

4 “... with the problem ofthe existence of periodic orbits in the restricted three body problem. Poincare [l.c.] outlined...”