Dr. Davide Polimeni：On the existence of expansive solutions to the N-body problem: a variational approach

Chern Institute of Mathematics, Nankai University, Tianjin,China. 300071
Tel: 86-22-2350-8228、86-22-2350-1029, Fax: 86-22-2350-8114, Email:cim@nankai.edu.cn