Title of article :
Existence of Periodic Solutions for Second Order Hamiltonian System
Author/Authors :
XIAO, LI Central South University - School of Mathematical Sciences and Computing Technology, China
Abstract :
Some existence theorems are obtained for periodic solutions of second order Hamiltonian system by using the minimax principle. Our results improve those in some known literatures.
Keywords :
Second order Hamiltonian systems , periodic solution , critical point , saddle point theorem.
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society
Journal title :
Bulletin of the Malaysian Mathematical Sciences Society