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Open AccessArticle

Oscillation Theorems for Nonlinear Differential Equations of Fourth-Order

by Osama Moaaz 1,†, Ioannis Dassios 2,*,†, Omar Bazighifan 3,4,† and Ali Muhib 5,†
1
Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
2
AMPSAS, University College Dublin, D4 Dublin, Ireland
3
Department of Mathematics, Faculty of Science, Hadhramout University, Hadhramout 50512, Yemen
4
Department of Mathematics, Faculty of Education, Seiyun University, Hadhramout 50512, Yemen
5
Department of Mathematics, Faculty of Education, Ibb University, Ibb, Yemen
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Mathematics 2020, 8(4), 520; https://doi.org/10.3390/math8040520
Received: 6 March 2020 / Revised: 28 March 2020 / Accepted: 28 March 2020 / Published: 3 April 2020
We study the oscillatory behavior of a class of fourth-order differential equations and establish sufficient conditions for oscillation of a fourth-order differential equation with middle term. Our theorems extend and complement a number of related results reported in the literature. One example is provided to illustrate the main results. View Full-Text
Keywords: deviating argument; fourth order; differential equation; oscillation deviating argument; fourth order; differential equation; oscillation
MDPI and ACS Style

Moaaz, O.; Dassios, I.; Bazighifan, O.; Muhib, A. Oscillation Theorems for Nonlinear Differential Equations of Fourth-Order. Mathematics 2020, 8, 520.

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