二阶次线性碰撞系统的次调和解(英文)  

Subharmonic solutions for sublinear second order systems with impacts

作　　者：缪雪晴[1] 丁卫[1] 

机构地区：[1]南通大学理学院,江苏南通226007

出　　处：《浙江大学学报（理学版）》2012年第3期253-256,共4页Journal of Zhejiang University（Science Edition）

基　　金：Supported by NSFC(10971228);the Natural Science Foundation of Nantong University(09Z004,10Z011)

摘　　要：证明了当f(t,x)在x=0附近满足一定条件时,二阶次线性方程x″+f(t,x)=0存在无穷多弹性次调和解.We prove that there are infinite subharmonic bouncing solutions of sublinear second order systems x″+ f(t,x) =0 when f(t,x) satisfies suitable condition in the around of x=0.

关 键 词：次线性 二阶系统 碰撞 弹性次调和解 

分 类 号：O175.14[理学—数学]