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arxiv: 1304.4038 · v2 · pith:JNEXQQKKnew · submitted 2013-04-15 · 🧮 math.AP

Stability of peakons for a modified Camassa-Holm equation

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keywords equationpeakonsstabilitycamassa-holmmodifiedorbitalauxiliarycaused
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In this paper, we investigate the orbital stability of peakons for a modified Camassa-Holm equation with cubic nonlinearity derived from the two-dimensional Euler equation. By overcoming the difficulties caused by one of the complicated conservation laws and introducing a new auxiliary function, we prove the orbital stability of peakons for the equation.

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