Title of article :
Periodic and subharmonic solutions of a class
of subquadratic second-order Hamiltonian systems ✩
Author/Authors :
Qin Jiang، نويسنده , , Chun-Lei Tang ?، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2007
Abstract :
Some solvability conditions of periodic and subharmonic solutions are obtained for a class of subquadratic
nonautonomous second-order Hamiltonian systems by the minimax methods in critical point
theory.
© 2006 Elsevier Inc. All rights reserved
Keywords :
Periodic Solution , Saddle point theorem , Condition (C) , Subquadratic , Hamiltoniansystems , Subharmonic solutions
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications