periodic solutions;
subharmonic solutions;
Hamiltonian systems;
the local link;
the Generalized Mountain Pass Theorem;
the (PS)* condition;
the (C) condition;
D O I:
10.1016/j.na.2004.03.029
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
Some existence theorems are obtained for periodic and subharmonic solutions of a class of superquadratic Hamiltonian systems by the minimax methods in critical point theory, specially, a local link theorem due to Li and Willem, and the Generalized Mountain Pass Theorem respectively. (C) 2004 Elsevier Ltd. All rights reserved.