Title of article :
Periodic solutions for a class of non-autonomous
second order systems
Author/Authors :
Fukun Zhao ?، نويسنده , , Xian Wu، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2004
Abstract :
The purpose of this paper is to study the existence of periodic solutions of non-autonomous secondorder
systems
¨u(t )=∇F t,u(t) , a.e. t ∈ [0,T ],
u(0) −u(T )= ˙u(0)− ˙u(T ) = 0.
Some new existence theorems are obtained by the least action principle.
2004 Elsevier Inc. All rights reserved
Keywords :
Periodic Solution , Critical point , Non-autonomous second-order systems , Sobolev’s inequality , Minimize
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications