An extended modified KdV equation and its Painlevé integrability

An extended modified KdV equation and its Painlevé integrability
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DOI:
10.1007/s11071-016-2971-2
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发表时间:
2016-07
期刊:
影响因子:
5.6
通讯作者:
A. Wazwaz;Gui-qiong Xu
A. Wazwaz;Gui-qiong Xu
中科院分区:
工程技术2区
文献类型:
--
作者:
A. Wazwaz;Gui-qiong Xu

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在这项工作中,我们提出了一个扩展的高阶修正 KdV 方程。分析表明该方程具有 Painlevé 性质。对于这个新的可积模型,使用简化的 Hirota 直接法导出了单孤子、二孤子和三孤子解。我们还证明了这个扩展的高阶 mKdV 方程的散焦形式可以有一个、两个和三个奇异孤子解。
In this work we present an extended higher-order modified KdV equation. An analysis is carried out to show that this equation admits the Painlevé property. For this new integrable model, the one-soliton, two-soliton and three-soliton solutions are derived by using the simplified Hirota’s direct method. We also demonstrate that one, two and three singular soliton solutions are possible for the defocusing form of this extended higher-order mKdV equation.