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Open AccessArticle
The Period Function of the Generalized Sine-Gordon Equation and the Sinh-Poisson Equation
by
Lin Lu
Lin Lu
,
Xiaokai He
Xiaokai He * and
Xing Zhou
Xing Zhou
School of Mathematics and Statistics, Hunan First Normal University, Changsha 410205, China
*
Author to whom correspondence should be addressed.
Mathematics 2024, 12(16), 2474; https://doi.org/10.3390/math12162474 (registering DOI)
Submission received: 13 July 2024
/
Revised: 5 August 2024
/
Accepted: 7 August 2024
/
Published: 10 August 2024
Abstract
In this paper, we consider the generalized sine-Gordon equation and the sinh-Poisson equation , where a is a real parameter, and is a positive parameter. Under different conditions, e.g., , , and , the periods of the periodic wave solutions for the above two equations are discussed. By the transformation of variables, the generalized sine-Gordon equation and sinh-Poisson equations are reduced to planar dynamical systems whose first integral includes trigonometric terms and exponential terms, respectively. We successfully handle the trigonometric terms and exponential terms in the study of the monotonicity of the period function of periodic solutions.
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MDPI and ACS Style
Lu, L.; He, X.; Zhou, X.
The Period Function of the Generalized Sine-Gordon Equation and the Sinh-Poisson Equation. Mathematics 2024, 12, 2474.
https://doi.org/10.3390/math12162474
AMA Style
Lu L, He X, Zhou X.
The Period Function of the Generalized Sine-Gordon Equation and the Sinh-Poisson Equation. Mathematics. 2024; 12(16):2474.
https://doi.org/10.3390/math12162474
Chicago/Turabian Style
Lu, Lin, Xiaokai He, and Xing Zhou.
2024. "The Period Function of the Generalized Sine-Gordon Equation and the Sinh-Poisson Equation" Mathematics 12, no. 16: 2474.
https://doi.org/10.3390/math12162474
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