title: Variational methods for periodic solutions of Newtonian N-body problems.
abstract: We survey some recent results on periodic solutions for N-body problems that were obtained by variational minimization methods.
authors.affiliation: College of Mathematics, Sichuan University, Sichuan, 610064, China. shiqing2001@tom.com
authors.forename: Zhang
authors.initials: Z
authors.lastname: Shiqing