UNBOUNDED OSCILLATION OF FOURTH ORDER FUNCTIONAL DIFFERENTIAL EQUATIONS

被引：1
|
作者：
Tripathy, Arun Kumar [1 ]
Mohanta, Rashmi Rekha [1 ]
机构：
[1] Sambalpur Univ, Dept Math, Sambalpur 768019, India
来源：
MATHEMATICA SLOVACA | 2020年 / 70卷 / 05期
关键词：
Oscillation; nonoscillation; neutral differential equation; delay; nonlinear; ASYMPTOTIC-BEHAVIOR;
D O I：
10.1515/ms-2017-0421
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, sufficient conditions for oscillation of unbounded solutions of a class of fourth order neutral delay differential equations of the form (r(t)(y(t)+ p(t)y(t - tau))'')'' + q(t)G(y(t - alpha)) - h(t)H(y(t - sigma)) = 0 are discussed under the assumption integral(infinity)(0) t/r(t)dt = infinity (C) 2020 Mathematical Institute Slovak Academy of Sciences
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页码：1153 / 1164
页数：12
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