Some new oscillation criteria of fourth-order quasi-linear differential equations with neutral term

被引：0
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作者：
Saeed Althubiti
Fahad Alsharari
Omar Bazighifan
George E. Chatzarakis
机构：
[1] Taif University,Department of Mathematics and Statistics, College of Science
[2] Majmaah University,Department of Mathematics, College of Science and Human Studies, Hotat Sudair
[3] Jouf University,Mathematics Departments, College of Science and Arts in Gurayat
[4] Hadhramout University,Department of Mathematics, Faculty of Science
[5] School of Pedagogical and Technological Education (ASPETE),Department of Electrical and Electronic Engineering Educators
来源：
Advances in Difference Equations | / 2021卷
关键词：
Fourth-order differential equations; Neutral delay; Oscillation; Philos-type oscillation;
D O I：
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学科分类号：
摘要：
In this article, we are interested in studying the asymptotic behavior of fourth-order neutral differential equations. Despite the growing interest in studying the oscillatory behavior of delay differential equations of second-order, fourth-order equations have received less attention. We get more than one criterion to check the oscillation by the generalized Riccati method and the integral average technique. Our results are an extension and complement to some results published in the literature. Examples are given to prove the significance of new theorems.
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