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Two-peak soliton in the CKP hierarchy

By Jingsong He, Yi Cheng and Rudolf A. Roemer


We present a systematic approach to the construction of soliton solutions for the 5-reduction of the C-type sub-hierarchy for the Kadomtsev–Petviashvili (CKP) hierarchies starting from the general τ-function τ(n+k) of the Kadomtsev–Petviashvili (KP) hierarchy. We obtain the one-soliton and two-soliton solutions for the bi-directional Kaup–Kupershmidt (bKK) equation, i.e. the 5-reduction of CKP hierarchy.\ud \u

Topics: QC
Publisher: Pergamon
Year: 2006
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