COMPARISON THEOREMS ON THE OSCILLATION AND ASYMPTOTIC BEHAVIOUR OF HIGHER-ORDER NEUTRAL DIFFERENTIAL EQUATIONS

被引：47
|
作者：
Karpuz, Basak [1 ]
Ocalan, Ozkan [1 ]
Ozturk, Sermin [1 ]
机构：
[1] Afyon Kocatepe Univ, Fac Sci & Arts, Dept Math, TR-03200 Afyon, Turkey
来源：
GLASGOW MATHEMATICAL JOURNAL | 2010年 / 52卷
关键词：
VARIABLE-COEFFICIENTS; CRITERIA;
D O I：
10.1017/S0017089509990188
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this work, oscillatory and asymptotic behaviours of all Solutions of higher-order neutral differential equations are compared with first-order delay differential equations, depending oil two different ranges of the coefficient associated with the neutral part. Some simple examples are given to compare or results With the existing results In the literature and to illustrate the significance and applicability of our new results. Our results generalise, improve and correct some of the existing results in the literature.
引用
收藏
页码：107 / 114
页数：8
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