Bifurcations and exact solutions of an asymptotic rotation-Camassa–Holm equation |
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Authors: | Liang Jianli Li Jibin Zhang Yi |
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Institution: | 1.Department of Mathematics, Zhejiang Normal University, Jinhua, 321004, China ;2.School of Mathematical Sciences, Huaqiao University, Quanzhou, 362021, China ; |
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Abstract: | This paper investigates the rotation-Camassa–Holm equation, which appears in long-crested shallow-water waves propagating in the equatorial ocean regions with the Coriolis effect due to the earth’s rotation. The rotation-Camassa–Holm equation contains the famous Camassa–Holm equation and is a special case of the generalized Camassa–Holm equation. By using the approach of dynamical systems and singular traveling wave theory to its traveling wave system, in different parameter conditions of the five-parameter space, the bifurcations of phase portraits are studied. Some exact explicit parametric representations of the smooth solitary wave solutions, periodic wave solutions, peakons and anti-peakons, periodic peakons as well as compacton solutions are obtained. |
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