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Open AccessArticle

Oscillatory Properties of Solutions of Even-Order Differential Equations

1
Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
2
Athens Institute for Education and Research, Mathematics and Physics Divisions, 10671 Athens, Greece
3
Department of Mathematics, Faculty of Science, Hadhramout University, Hadhramout 50512, Yemen
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Symmetry 2020, 12(2), 212; https://doi.org/10.3390/sym12020212
Received: 24 December 2019 / Revised: 13 January 2020 / Accepted: 19 January 2020 / Published: 2 February 2020
(This article belongs to the Special Issue Symmetry in Geometrical Physics)
This work is concerned with the oscillatory behavior of solutions of even-order neutral differential equations. By using Riccati transformation and the integral averaging technique, we obtain a new oscillation criteria. This new theorem complements and improves some known results from the literature. An example is provided to illustrate the main results. View Full-Text
Keywords: oscillatory solutions; even-order; neutral delay differential equations oscillatory solutions; even-order; neutral delay differential equations
MDPI and ACS Style

Elabbasy, E.M.; El-Nabulsi, R.A.; Moaaz, O.; Bazighifan, O. Oscillatory Properties of Solutions of Even-Order Differential Equations. Symmetry 2020, 12, 212.

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