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Painlevé integrability, similarity reductions, new soliton and soliton-like similarity solutions for the (2+1)-dimensional BKP equation

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Abstract

The (2+1)-dimensional Kadomtsev–Petviashvili (KP) equation of B-type (BKP) is hereby investigated. New soliton solutions and soliton-like similarity solutions are constructed for the (2+1)-dimensional BKP equation. The similarity solutions are not travelling wave solutions when the arbitrary functions involved are chosen appropriately. Painlevé test shows that there are two solution branches, one of which has the resonance −2. And four similarity reductions for the BKP equation are given out through nontrivial variable transformations. Moreover, abundant soliton behaviour modes of the solutions, such as soliton fusion and soliton reflection, are discussed in detail.

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Authors and Affiliations

  1. LMIB and School of Mathematics and System Sciences, Beihang University, Beijing, 100191, China

    Yueqian Liang, Guangmei Wei & Xiaonan Li

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  1. Yueqian Liang
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  2. Guangmei Wei
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  3. Xiaonan Li
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Correspondence to Guangmei Wei.

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Liang, Y., Wei, G. & Li, X. Painlevé integrability, similarity reductions, new soliton and soliton-like similarity solutions for the (2+1)-dimensional BKP equation. Nonlinear Dyn 62, 195–202 (2010). https://doi.org/10.1007/s11071-010-9709-3

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  • DOI: https://doi.org/10.1007/s11071-010-9709-3

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