Existence of Positive Solutions of Nonlinear Neutral Equations with Positive and Negative Coefficients

被引：0
|
作者：
关新平
段广仁
张友安
杨军
机构：
来源：
Journal of Harbin Institute of Technology | 1998年 / 02期
关键词：
Nonlinear neutral equations; oscillation; existence; positive solutions;
D O I：
暂无
中图分类号：
TB12 [工程力学];
学科分类号：
0801 ; 080104 ;
摘要：
A class of nonlinear neutral equations with positive and negative coefficients is considered. Seveal conditions for existence of eventually positive solutions are obtained,and they extend and improve some of the criteria existing in literature. Our conditions are necessary and suffcient when all the coeffcients of the equations are constants.
引用
收藏
页码：32 / 35
页数：4
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