Title of article :
Periodic Solutions of a Class of Non-autonomous
Second-Order SystemsU
Author/Authors :
Xing-Ping Wu and Chun-Lei Tang، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 1999
Abstract :
Some existence theorems are obtained by the least action principle for periodic
solutions of nonautonomous second-order systems with a potential which is the
sum of a subconvex function and a subquadratic function
Keywords :
Periodic Solution , Sobolev’s inequality , sublinearnonlinearity , Second order system , coercivity , minimizing sequence. , subconvex potential
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
