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Soliton Molecules and Full Symmetry Groups to the KdV-Sawada-Kotera-Ramani Equation

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  • Na Xiong
  • Ya-Xuan Yu
  • Biao Li

Abstract

By - soliton solutions and a velocity resonance mechanism, soliton molecules are constructed for the KdV-Sawada-Kotera-Ramani (KSKR) equation, which is used to simulate the resonances of solitons in one-dimensional space. An asymmetric soliton can be formed by adjusting the distance between two solitons of soliton molecule to small enough. The interactions among multiple soliton molecules for the equation are elastic. Then, full symmetry group is derived for the KSKR equation by the symmetry group direct method. From the full symmetry group, a general group invariant solution can be obtained from a known solution.

Suggested Citation

  • Na Xiong & Ya-Xuan Yu & Biao Li, 2021. "Soliton Molecules and Full Symmetry Groups to the KdV-Sawada-Kotera-Ramani Equation," Advances in Mathematical Physics, Hindawi, vol. 2021, pages 1-7, May.
    • Handle: RePEc:hin:jnlamp:5534996
    DOI: 10.1155/2021/5534996
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