New Comparison Theorems to Investigate the Asymptotic Behavior of Even-Order Neutral Differential Equations
Abstract
:1. Introduction
2. Main Results
- Case 1
- and are positive and is nonpositive;
- Case 2
- and are positive and is negative;
- Case 3
- is positive for all
2.1. Criteria for Convergence of Non-Oscillatory Solutions to Zero
- (C1)
- w and are positive and is non-positive;
- (C2)
- w and are positive and is negative.
2.2. Oscillation Criteria for All Solutions
3. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
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Almarri, B.; Moaaz, O.; Abouelregal, A.E.; Essam, A. New Comparison Theorems to Investigate the Asymptotic Behavior of Even-Order Neutral Differential Equations. Symmetry 2023, 15, 1126. https://doi.org/10.3390/sym15051126
Almarri B, Moaaz O, Abouelregal AE, Essam A. New Comparison Theorems to Investigate the Asymptotic Behavior of Even-Order Neutral Differential Equations. Symmetry. 2023; 15(5):1126. https://doi.org/10.3390/sym15051126
Chicago/Turabian StyleAlmarri, Barakah, Osama Moaaz, Ahmed E. Abouelregal, and Amira Essam. 2023. "New Comparison Theorems to Investigate the Asymptotic Behavior of Even-Order Neutral Differential Equations" Symmetry 15, no. 5: 1126. https://doi.org/10.3390/sym15051126
APA StyleAlmarri, B., Moaaz, O., Abouelregal, A. E., & Essam, A. (2023). New Comparison Theorems to Investigate the Asymptotic Behavior of Even-Order Neutral Differential Equations. Symmetry, 15(5), 1126. https://doi.org/10.3390/sym15051126