Abstract
The aim of this paper is to consider singular third-order functional differential equations with p-Laplacian-like operator of the form
Unlike in previous works, f has a strong singularity at x = 0 and satisfies a small force condition at x = ∞. Based on a continuation theorem due to Mawhin, new results on the existence of positive periodic solutions are obtained, which makes it possible to refine and extend some related results in the literature. A typical example demonstrating the effectiveness and flexibility of the main results is given.
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Acknowledgments
We would like to thank the editors and the anonymous referees for carefully reading the original manuscript and for constructive comments and suggestions, which have helped to improve the presentation of this paper. This work was supported by the Doctoral Fund of Anhui Normal University (project No. 751965).
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Kong, F., Lu, S. Positive Periodic Solutions of Singular Third-Order Functional Differential Equations with p-Laplacian-Like Operators. Math Notes 107, 759–769 (2020). https://doi.org/10.1134/S0001434620050053
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DOI: https://doi.org/10.1134/S0001434620050053