摘要
研究了二阶非线性微分方程(a(t)ψ(y(t))φ(y′(t)))′+q(t)f(y(g(t)))=0,t≥t0的振动性.所得结果推广了已有的振动性判别准则.
The Oscillation of certain second order nonlinear differential equations (a(t)φ(y(t))φ(y′(t)))′+q(t)f(y(t(t)))=0,t≤t0 is considered in this paper. The obtained result extends some known oscillation criteria.
出处
《曲阜师范大学学报(自然科学版)》
CAS
2007年第2期59-61,共3页
Journal of Qufu Normal University(Natural Science)
关键词
振动解
非线性微分方程
最终正解
oscillatory solution
nonlinear differential equation
eventually positive solution