Parallel Session 1 :: Monday, 07/06, 13:30 – 16:00                                   Room 628
13:30-14:00	Kuochang Chen (National Tsing Hua University, Taiwan)  Mass constraints of some planar central configurations

14:00-14:30

Vivina Barutello (University of Turin, Italy)  On the Birkhoff conjecture for Kepler billiards

14:30-15:00

Jianlu ZHANG (Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Peoples Rep of China)  Comparison principle of general Hamilton-Jacobi equations and applications

14:30-15:00

Liang Ding (Guizhou Minzu University, Peoples Rep of China)  A new class of pyramidal central configurations for spatial Newtonian 6-body problems

15:00-15:30

Abimael Bengochea (Instituto Tecnologico Autonomo de Mexico, Mexico)  Reversing Symmetries and Periodic Motions in the Three-Body Problem on the Sphere

15:30-16:00

Antonio J Urena (Universidad de Granada, Spain)  C1 perturbations of a continuum of critical points

Parallel Session 2 :: Monday, 07/06, 16:30-19:00                                   Room 628
16:30-17:00	Daniel Offin (Queen`s University, Canada)  Dynamics and Symmetry: Minimizing brake orbits

17:00-17:30

Lei Zhao (Dalian University of Technology, Peoples Rep of China)  Integrable Kepler billiards and the Poncelet Porism

17:30-18:00

Ernesto Perez Chavela (ITAM Mexico, Mexico)  Relative equilibria on spaces of constant curvature

18:00-18:30

Marcelo D Marchesin (FEDERAL UNIVERSITY OF MINAS GERAIS, Brazil)  A FAMILY OF LINEAR STABLE EQUILIBRIA IN THE SUN-EARTH-SAIL PROBLEM