On the Existence of Positive Solutions of Fourth-Order Ordinary Differential Equations
On the Existence of Positive Solutions of Fourth-Order Ordinary Differential Equations
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DOI：
10.1080/00036819508840401
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发表时间：
1995
影响因子：
1.1
通讯作者：
Ma Ruyun;Haiyan Wang
中科院分区：
文献类型：
--
作者：
Ma Ruyun;Haiyan Wang
我们研究了方程与 的正转的存在性。通过圆锥中不动点定理的简单应用，我们证明了至少一个正解的存在性（当且仅当是超线性或次线性的）。
We study the existence of positive rolutioru of the equations with either . We show the existence of at least one positive solution iff is either superlinear or sublinear by a simple application of a Fixed Point Theorem in cones.