期刊
APPLIED MATHEMATICS LETTERS
卷 141, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.aml.2023.108616
关键词
Sine-Gordon equation; Traveling wave solution; Melnikov function
Based on the geometric singular perturbation theory and the Melnikov method, this article studies the persistence of kink and anti-kink wave solutions in the perturbed double sine-Gordon equation. The explicit expression of the Melnikov function is provided. Furthermore, the monotonicity of the period function for the unperturbed double sine-Gordon equation is investigated.
Based on the geometric singular perturbation theory and the Melnikov method, we study the persistence of kink and anti-kink wave solutions for the perturbed double sine-Gordon equation. The explicit expression of the Melnikov function is given. Moreover, the monotonicity of the period function for unperturbed double sine-Gordon equation is investigated.(c) 2023 Elsevier Ltd. All rights reserved.
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