Oscillation and nonoscillation for difference equations with variable delays

被引：7
|
作者：
Zhou, Y [1 ]
机构：
[1] Xiangtan Univ, Dept Math, Hunan 411105, Peoples R China
来源：
APPLIED MATHEMATICS LETTERS | 2003年 / 16卷 / 07期
关键词：
difference equation; oscillation; nonoscillation;
D O I：
10.1016/S0893-9659(03)90098-X
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we obtain some sharp conditions for oscillation and nonoscillation of the difference equation with variable delays (GRAPHICS) where m is a positive integer, {k(i)(n)}(n=n0)(infinity) and {p(i)(n)}(n=n0)(infinity) (i=1,2,...,m) are sequences of positive integers and real numbers, respectively. Our results improve and extend/complement known results in the literature. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1083 / 1088
页数：6
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