Special Session 38 Recent advances in the n-body problem
Organizer(s): Kuo-Chang , Mitsuru , Guowei
   Shoya Motonaga (Ritsumeikan University, Japan)
 Existence and nonexistence of first integrals near integral curves with finite time

Special Session 43 Hamiltonian Dynamics and Celestial Mechanics
Organizer(s): Zhifu , Marian , Ernesto
Capital Suite 21 A
 17:00-17:30  Shoya Motonaga (Ritsumeikan University, Japan)
 Real-analytic nonintegrability of nearly integrable systems and Melnokov method