Title of article :
Periodic solutions for a class of
nonautonomous subquadratic second order
Hamiltonian systems ✩
Author/Authors :
Chun-Lei Tang ? and Xing-Ping Wu، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2002
Abstract :
Some existence theorems are obtained for periodic solutions of a class of unbounded
nonautonomous nonconvex subquadratic second order Hamiltonian systems by using the
minimax methods in critical point theory.
2002 Published by Elsevier Science (USA).
Keywords :
Periodic Solution , (PS) condition , Second order Hamiltonian system , Sobolev’s inequality , Saddle point theorem
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications