Special Session 69 New developments in symplectic dynamics
Organizer(s): Huagui , Jun 		Conference Hall B (A)
 13:00-13:30  Jinxin Xue (Tsinghua University, Peoples Rep of China)
 Dynamics of composite symplectic Dehn twists

Special Session 43 Hamiltonian Dynamics and Celestial Mechanics
Organizer(s): Zhifu , Marian , Ernesto 		Capital Suite 5
 19:00-19:30  Jinxin Xue (Tsinghua University, Peoples Rep of China)
 Global dynamics of the N-body problem.