A Philos-Type Oscillation Criteria for Fourth-Order Neutral Differential Equations
Abstract
:1. Introduction
- (S1)
- and are quotient of odd positive integers;
- (S2)
- (i)
- for
- (ii)
- has a continuous and nonpositive partial derivativeonand there exist functionsandsuch that
2. Some Auxiliary Lemmas
3. Philos-Type Oscillation Result
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Bazighifan, O.; Cesarano, C. A Philos-Type Oscillation Criteria for Fourth-Order Neutral Differential Equations. Symmetry 2020, 12, 379. https://doi.org/10.3390/sym12030379
Bazighifan O, Cesarano C. A Philos-Type Oscillation Criteria for Fourth-Order Neutral Differential Equations. Symmetry. 2020; 12(3):379. https://doi.org/10.3390/sym12030379
Chicago/Turabian StyleBazighifan, Omar, and Clemente Cesarano. 2020. "A Philos-Type Oscillation Criteria for Fourth-Order Neutral Differential Equations" Symmetry 12, no. 3: 379. https://doi.org/10.3390/sym12030379