具有不对称非线性项二阶微分方程的周期解  

Periodic Solutions of the Second Order Differential Equations with Asymmetric Nonlinearities

作　　者：刘群[1] 李红[1] 

机构地区：[1]东北大学秦皇岛分校,河北秦皇岛066004

出　　处：《东北大学学报（自然科学版）》2003年第4期405-408,共4页Journal of Northeastern University(Natural Science)

基　　金：国家自然科学基金资助项目 (10 0 0 10 2 5 )

摘　　要：研究了一类具有非线性项二阶Duffing方程解的一些性质 。The Duffing equation was studied to understand its solution characteristics. It is found the equation possesses a unique periodic solution with certain restrictions. The sufficient conditions for existence of the periodic solution at resonance were also established.

关 键 词：周期解 Fucik谱 跳跃非线性 

分 类 号：O175.1[理学—数学]