On the oscillation of certain fourth order functional differential equations

被引：0

作者：

Grace, Said R. ^{[1
]}

Agarwal, Ravi P. ^{[2
]}

Pavani, Raffaella ^{[3
]}

Manojlovic, Jelena V. ^{[4
]}

机构：

[1] Cairo Univ, Fac Engn, Dept Engn Math, Giza 12221, Egypt

[2] Florida Inst Technol, Dept Math Sci, Melbourne, FL 32901 USA

[3] Politecn Milan, Dept Math, I-20133 Milan, Italy

[4] Univ Nis, Fac Sci & Math, Dept Math & Comp Sci, Nish 18000, Serbia

来源：

INTERNATIONAL JOURNAL OF DYNAMICAL SYSTEMS AND DIFFERENTIAL EQUATIONS | 2008年 / 1卷 / 03期

关键词：

comparison; functional differential equation; nonoscillation; oscillation;

D O I：

10.1504/IJDSDE.2008.019677

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Some new criteria for the oscillation of the fourth order functional differential equation d(2)/dt(2)(1/a(t) (d(2) x(t)/dt(2)) (alpha)) = q(t)f(x[g(t)]) + p(t) h(x[sigma(t)]) are established.

引用

页码：155 / 163

页数：9

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