4.6 Article

Wave-Breaking and Peakons for a Modified Camassa-Holm Equation

Journal

COMMUNICATIONS IN MATHEMATICAL PHYSICS
Volume 319, Issue 3, Pages 731-759

Publisher

SPRINGER
DOI: 10.1007/s00220-012-1566-0

Keywords

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Funding

  1. NSF of China [11001111, 11171241]
  2. Jiangsu University [10JDG141, 10JDG157]
  3. NSF [DMS-0906099, DMS-1207840, DMS-1108894]
  4. NHARP [003599-0001-2009]
  5. NSF-China [11271192]
  6. NSF-China for Distinguished Young Scholars [10925104]
  7. Ph.D. Programs Foundation of Ministry of Education of China [20106101110008]

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In this paper, we investigate the formation of singularities and the existence of peaked traveling-wave solutions for a modified Camassa-Holm equation with cubic nonlinearity. The equation is known to be integrable, and is shown to admit a single peaked soliton and multi-peakon solutions, of a different character than those of the Camassa-Holm equation. Singularities of the solutions can occur only in the form of wave-breaking, and a new wave-breaking mechanism for solutions with certain initial profiles is described in detail.

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