Título: Choreographies and their symmetries.

JAMES MONTALDI (UNIVERSITY OF MANCHESTER, UK)

Fecha y hora: Jueves 25 de agosto, 12:00 horas.

Lugar: Aula de seminarios del IMATE en Oaxaca.

Choreographic solutions of the N-body problem are solutions where the bodies follow each other around a closed path, after the famous figure 8 solution discovered by Chenciner and Montgomery in 2000. I will discuss the well-known variational set-up for this problem, and then describe the possible symmetry types of these motions. This is joint work with Katie Steckles. A preview can be seen at http://www.maths.manchester.ac.uk/~jm/Choreographies/