Abstract
The aim of this paper is to complement existing oscillation results for third-order neutral advanced differential equations under the condition of \(\gamma >0\); in particular, the sufficient conditions are given in different way when \(\gamma =1\). Our main idea is by establishing sufficient conditions for nonexistence of so-called Kneser solutions. Then, combining with the results which guarantee the equation almost oscillation, we establish sufficient condition for oscillation of all solutions.
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The authors sincerely thank the reviewers for their valuable suggestions and useful comments that have led to the present improved version of the original manuscript.
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Communicated by Shangjiang Guo.
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This research is supported by the Natural Science Foundation of China (62073153, 61803176), also supported by Shandong Provincial Natural Science Foundation (ZR2020MA016)
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Feng, L., Han, Z. Oscillation of a Class of Third-Order Neutral Differential Equations with Noncanonical Operators. Bull. Malays. Math. Sci. Soc. 44, 2519–2530 (2021). https://doi.org/10.1007/s40840-021-01079-x
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DOI: https://doi.org/10.1007/s40840-021-01079-x