Research
Infinitely many periodic solutions for subquadratic second-order Hamiltonian systems
College of Science, Hohai University, Nanjing, 210098, China
Boundary Value Problems 2013, 2013:16 doi:10.1186/1687-2770-2013-16
Published: 6 February 2013Abstract
In this paper, we investigate the existence of infinitely many periodic solutions for a class of subquadratic nonautonomous second-order Hamiltonian systems by using the variant fountain theorem.



