Symmetry and Its Role in Oscillation of Solutions of Third-Order Differential Equations

Symmetry plays an essential role in determining the correct methods for the oscillatory properties of solutions to differential equations. This paper examines some new oscillation criteria for unbounded solutions of third-order neutral differential equations of the form (r2(ς)((r1(ς)(z′(ς))β1)′)β2)′...

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Bibliographic Details
Published in:Symmetry (Basel) 2021-08, Vol.13 (8), p.1485
Main Authors: Kumar, M. Sathish, Bazighifan, Omar, Al-Shaqsi, Khalifa, Wannalookkhee, Fongchan, Nonlaopon, Kamsing
Format: Article
Language:English
Subjects:
Behavior
deviating arguments
Differential equations
Inequality
Mathematical analysis
Mathematical functions
neutral differential equation
oscillation
Riccati substitution
Symmetry
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Summary:Symmetry plays an essential role in determining the correct methods for the oscillatory properties of solutions to differential equations. This paper examines some new oscillation criteria for unbounded solutions of third-order neutral differential equations of the form (r2(ς)((r1(ς)(z′(ς))β1)′)β2)′ + ∑i=1nqi(ς)xβ3(ϕi(ς))=0. New oscillation results are established by using generalized Riccati substitution, an integral average technique in the case of unbounded neutral coefficients. Examples are given to prove the significance of new theorems.
ISSN:2073-8994
2073-8994
DOI:10.3390/sym13081485