摘要
研究满足一个简单条件,但可能不满足Nagumo条件的三阶微分方程三点边值问题的微分不等式的解的存在性及其唯一性.
Consider the differential inequality and the existence of a solution of three--point boundary value problem for third order differential equation which satisfies certain special conditions, bat does not satisfy Nagumo＇s condition problem.
出处
《宁德师专学报（自然科学版）》
2009年第3期228-232,240,共6页
Journal of Ningde Teachers College(Natural Science)
关键词
三阶微分方程
边值问题
NAGUMO条件
上解
下解
third order differer, tial equation
boundary value problem
Nagumo condition
upper solution
lower solution.
