浙江大学学报(理学版)
浙江大學學報(理學版)
절강대학학보(이학판)
JOURNAL OF ZHEJIANG UNIVERSITY
2012年
3期
253-256
,共4页
次线性%二阶系统%碰撞%弹性次调和解
次線性%二階繫統%踫撞%彈性次調和解
차선성%이계계통%팽당%탄성차조화해
sublinear%second order systems%impacts%subharmonic bouncing
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.
證明瞭噹f(t,x)在x=0附近滿足一定條件時,二階次線性方程x″+f(t,x)=0存在無窮多彈性次調和解.
증명료당f(t,x)재x=0부근만족일정조건시,이계차선성방정x″+f(t,x)=0존재무궁다탄성차조화해.
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.