OSCILLATION AND NONOSCILLATION CRITERIA FOR DELAY-DIFFERENTIAL EQUATIONS

被引:60
|
作者
ELBERT, A [1 ]
STAVROULAKIS, IP [1 ]
机构
[1] UNIV IOANNINA,DEPT MATH,GR-45110 IOANNINA,GREECE
关键词
OSCILLATION; NONOSCILLATION; DELAY DIFFERENTIAL EQUATIONS;
D O I
10.2307/2161141
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Oscillation and nonoscillation criteria for the first-order delay differential equation x'(t)+p(t)x(tau(t))=0, t greater than or equal to t(0), tau(t)<t, are established in the case where integral(tau(t)(t))p(s)ds greater than or equal to 1/e and lim/t--<infinity integral(tau(t)(t))p(s)ds=1/e.
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页码:1503 / 1510
页数:8
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