Positive solutions of an odd-order neutral delay nonlinear differential equations

被引：7
|
作者：
Li, WT [1 ]
机构：
[1] Gansu Univ Technol, Dept Math, Lanzhou 730050, Gansu, Peoples R China
[2] Lanzhou Univ, Dept Math, Lanzhou 730000, Gansu, Peoples R China
来源：
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS | 1999年 / 36卷 / 07期
关键词：
neutral nonlinear differential equation; comparison theorem; existence theorem; positive solution; oscillating coefficient;
D O I：
10.1016/S0362-546X(97)00680-9
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
An odd-order neutral delay nonlinear differential equation positive solutions is proposed. It is motivated by several investigations in which comparison and oscillation theorems are given for linear neutral differential equations. A more general nonlinear differential equation of the form, dn/dtn(y(t)-p(t)y(t-τ)) + q(t)∏|y (t-σi)|α(i)sgny(t-σi) = 0 for i = 1 to m, is considered.
引用
收藏
页码：899 / 913
页数：15
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