Phase space compactification for n bodies

par Dr Andreas Knauf (Université d'Erlangen-Nürnberg, Allemagne)

jeudi 1 juin 2023, 16:00 → 17:15 Europe/Paris

Salle Denisse (Observatoire, Paris)

For n bodies with homogeneous pair interaction we compactify every energy surface, obtaining a manifold with corners in the sense of Melrose. After a time change, the flow on it is globally defined and is non-trivial on the boundary. 
This is joint work with Richard Montgomery.