Asymptotic behavior of the oscillatory solutions to first order non-autonomous linear neutral delay differential equations of unstable type

被引：1
作者：
Philos, Ch. G. [1 ]
Purnaras, I. K. [1 ]
Sficas, Y. G. [1 ]
机构：
[1] Univ Ioannina, Dept Math, GR-45110 Ioannina, Greece
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2007年 / 46卷 / 3-4期
关键词：
neutral delay differential equation; oscillatory solution; asymptotic behavior;
D O I：
10.1016/j.mcm.2006.11.012
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This article is concerned with the asymptotic behavior of the oscillatory solutions to a class of first order unstable type linear neutral delay differential equations with variable coefficients and constant delays. A sufficient condition for all oscillatory solutions to tend to zero at infinity is established. This condition considerably improves a previous one given by Ladas and the third author [G. Ladas, Y.G. Sficas, Asymptotic behavior of oscillatory solutions, Hiroshima Math. J. 18 (1988) 351-359]. (C) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：422 / 438
页数：17
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