THROUGHOUT POSITIVE SOLUTIONS OF SECOND-ORDER NONLINEAR DIFFERENTIAL EQUATIONS

被引：0
|
作者：
Zhang, Zhenguo [1 ]
Wang, Chunjiao [1 ]
Li, Qiaoluan [1 ]
Li, Fang [1 ]
机构：
[1] Hebei Normal Univ, Coll Math & Informat Sci, Shijiazhuang 050016, Heibei, Peoples R China
来源：
ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS | 2005年
关键词：
Nonlinear differential equations; neutral term; eventually positive solution; throughout positive solution;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we consider the second-order nonlinear and the nonlinear neutral functional differential equations (a(t)x'(t))' + f(t, x(g(t))) = 0, t >= t(0) (a(t)(x(t) - p(t)x(t - T))')' + f(t, x(g(t))) = 0, t >= t(0). Using the Banach contraction mapping principle, we obtain the existence of throughout positive solutions for the above equations.
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页数：12
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