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New Results on the Oscillation of Solutions of Third-Order Differential Equations with Multiple Delays.

Authors :
Omar, Najiyah
Moaaz, Osama
AlNemer, Ghada
Elabbasy, Elmetwally M.
Source :
Symmetry (20738994). Oct2023, Vol. 15 Issue 10, p1920. 15p.
Publication Year :
2023

Abstract

This study aims to examine the oscillatory behavior of third-order differential equations involving various delays within the context of functional differential equations of the neutral type. The oscillation criteria for the solutions of our equation have been obtained in this study to extend and supplement existing findings in the literature. In this study, a technique that relies on repeatedly improving monotonic properties was used in order to exclude positive solutions to the studied equation. Negative solutions are excluded based on the symmetry between the positive and negative solutions. Our results are important because they become sharper when applied to a Euler-type equation as compared to previous studies of the same equation. The significance of the findings was illustrated through the application of these findings to specific cases of the investigated equation. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
20738994
Volume :
15
Issue :
10
Database :
Academic Search Index
Journal :
Symmetry (20738994)
Publication Type :
Academic Journal
Accession number :
173338483
Full Text :
https://doi.org/10.3390/sym15101920