节点文献
一类四阶奇异微分方程正解存在的充分必要条件
A Necessary and Sufficient Condition for the Existence of Positive Solutions of Fourth Order Singular Differential Equations
【摘要】 通过Green函数给出了一对具体的上下解,对一类奇异微分方程边值问题做了研究,得到正解存在的充分必要条件.
【Abstract】 This paper gives a pair of upper and lower solutions by the Green function,We gain a necessary and sufficient condition for the singular fourth order boundary value problems.
【关键词】 四阶微分方程;
奇异边值问题;
次线性;
上下解;
正解;
【Key words】 fourth order differential equation; singular BVPs; sublinear; upper and lower solution; positive solutions;
【Key words】 fourth order differential equation; singular BVPs; sublinear; upper and lower solution; positive solutions;
【基金】 国家自然科学基金(10671167)
- 【文献出处】 数学的实践与认识 ,Mathematics in Practice and Theory , 编辑部邮箱 ,2009年17期
- 【分类号】O175.8
- 【下载频次】59