Stability of Periodic Peakons for a Nonlinear Quartic μ-Camassa–Holm Equation

In this paper, we prove the orbital stability of periodic peaked traveling waves (peakons) for a nonlinear quartic μ -Camassa–Holm equation. The equation is a μ -version of the nonlinear quartic Camassa–Holm equation which was proposed by Anco and Recio (J Phys A Math Theor 52:125–203, 2019). The eq...

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Veröffentlicht in:	Journal of dynamics and differential equations 2024-03, Vol.36 (1), p.703-725
1. Verfasser:	Moon, Byungsoo
Format:	Artikel
Sprache:	eng
Schlagworte:	Applications of Mathematics Conservation laws Mathematics Mathematics and Statistics Orbital stability Ordinary Differential Equations Partial Differential Equations Solitary waves Traveling waves
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Zusammenfassung:	In this paper, we prove the orbital stability of periodic peaked traveling waves (peakons) for a nonlinear quartic μ -Camassa–Holm equation. The equation is a μ -version of the nonlinear quartic Camassa–Holm equation which was proposed by Anco and Recio (J Phys A Math Theor 52:125–203, 2019). The equation admits the periodic peakons. It is shown that the periodic peakons are orbitally stable under small perturbations in the energy space by finding inequalities related to the three conservation laws with global maximum and minimum of the solution.
ISSN:	1040-7294 1572-9222
DOI:	10.1007/s10884-022-10156-z