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变系数(n+1)-维KP方程的Wronskian和Grammian解 被引量:3
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作者 徐鹃 《温州大学学报(自然科学版)》 2013年第1期13-17,共5页
基于Hirota直接方法,将变系数(n+1)-维KP方程化成Hirota双线性形式,再借助Wronskian技巧和Pfaffian性质,对该方程进行求解,得到了其广义的Wronskian解和Grammian解.
关键词 变系数(n+1)-维KP方程 Wronskian解 grammian
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基于Hirota双线性方法的变系数BLMP方程的精确解 被引量:2
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作者 曹建莉 韩景芳 《青海师范大学学报(自然科学版)》 2021年第1期1-5,共5页
本文基于Hirota双线性方法得到BLMP方程的双线性形式,在Wronskian解的基础上借助Pfaff式得到BLMP方程的Grammian解.通过BLMP方程的两种双线性变换,得到一个变系数的(2+1)-维BLMP方程,利用平衡法构造其Wronskian解和Grammian解,所得结果... 本文基于Hirota双线性方法得到BLMP方程的双线性形式,在Wronskian解的基础上借助Pfaff式得到BLMP方程的Grammian解.通过BLMP方程的两种双线性变换,得到一个变系数的(2+1)-维BLMP方程,利用平衡法构造其Wronskian解和Grammian解,所得结果用Maya图表示. 展开更多
关键词 HIROTA双线性方法 BLMP方程 平衡法 Wronskian解 grammian
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广义(3+1)-维浅水波方程的3种Grammian解
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作者 徐鹃 《丽水学院学报》 2012年第5期16-19,共4页
孤子方程的多孤子解可表示成Grammian形式的行列式解,进而写成Pfaff的形式,从而在求解双线性方程以及证明中可以直接把解代入方程进行验证。借助于Pfaff式技巧,得到了广义(3+1)-维浅水波方程的3种不同Grammian解。
关键词 广义(3+1)-维浅水波方程 Hirota双线性形式 grammian解限制 grammian
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Wronskian and Grammian Solutions for Generalized (n + 1)-Dimensional KP Equation with Variable Coefficients
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作者 Hongwei Fu Yang Song Juan Xu 《Applied Mathematics》 2012年第2期154-157,共4页
The generalized (n + 1)-dimensional KP equation with variable coefficients is investigated in this paper. The bilinear form of the equation has been obtained by the Hirota direct method. In addition, with the help of ... The generalized (n + 1)-dimensional KP equation with variable coefficients is investigated in this paper. The bilinear form of the equation has been obtained by the Hirota direct method. In addition, with the help of Wronskian technique and the Pfaffian properties, Wronskian and Grammian solutions have been generated. 展开更多
关键词 Generalized Variable Coefficient (n + 1)-Dimensional KP Equation HIROTA Bilinear Method WRONSKIAN solution grammian solution
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Wronskian and Grammian solutions for the(2+1)-dimensional BKP equation
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作者 Yaning Tang Yanna Chen Lei Wang 《Theoretical & Applied Mechanics Letters》 CAS 2014年第1期73-76,共4页
The (2+1)-dimensional BKP equation in the Hirota bilinear form is studied during this work. Wronskian and Grammian techniques are applied to the construction of Wronskian and Grammian solutions of this equation, re... The (2+1)-dimensional BKP equation in the Hirota bilinear form is studied during this work. Wronskian and Grammian techniques are applied to the construction of Wronskian and Grammian solutions of this equation, respectively. It is shown that these solutions can be expressed as not only Pfaffians but also Wronskians and Grammians. 展开更多
关键词 (2+1)-dimensional BKP equation Wronskian solution grammian solution
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New Type of Variable-coefficient KP Equation with Self-consistent Sources and Its Grammian Solutions
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作者 XING Xiu-zhi LIU Yan-wei 《Chinese Quarterly Journal of Mathematics》 CSCD 2013年第1期152-158,共7页
New type of variable-coefficient KP equation with self-consistent sources and its Grammian solutions are obtained by using the source generation procedure.
关键词 source generation procedure variable-coefficient KP equation hipota’s bilinear method grammian solution
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变系数kdv方程的Grammian解及Wronskian解 被引量:1
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作者 黄丽丽 张金顺 《厦门大学学报(自然科学版)》 CAS CSCD 北大核心 2015年第3期354-357,共4页
主要研究一类变系数kdv方程,通过其双线性形式及Hirota方法,结合其Wronskian行列式解,得到一个Grammian行列式解。引入Pfaff式,证明此Grammian行列式解满足变系数kdv方程的双线性方程,并证明其Grammian行列式解及Wronskian行列式解的双... 主要研究一类变系数kdv方程,通过其双线性形式及Hirota方法,结合其Wronskian行列式解,得到一个Grammian行列式解。引入Pfaff式,证明此Grammian行列式解满足变系数kdv方程的双线性方程,并证明其Grammian行列式解及Wronskian行列式解的双线性孤子方程满足Praff恒等式,且均可用Maya图表示,从而更清晰地表达出变系数kdv方程解的性质,并将孤子方程化为一种简单的图表。Grammian行列式等价于Jacobi恒等式;Wronskian行列式等价于Plücker关系,而Jacobi恒等式及Plücker关系则是Pfaff恒等式的特殊情形。 展开更多
关键词 变系数KDV方程 grammian行列式解 Wronskian行列式解 HIROTA方法
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Grammian and Pfaffian solutions as well as Pfaffianization for a (3+1)-dimensional generalized shallow water equation 被引量:7
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作者 唐亚宁 马文秀 徐伟 《Chinese Physics B》 SCIE EI CAS CSCD 2012年第7期85-91,共7页
Based on the Grammian and Pfaffian derivative formulae, Grammian and Pfaffian solutions are obtained for a (3+1)-dimensional generalized shallow water equation in the Hirota bilinear form. Moreover, a Pfaffian exte... Based on the Grammian and Pfaffian derivative formulae, Grammian and Pfaffian solutions are obtained for a (3+1)-dimensional generalized shallow water equation in the Hirota bilinear form. Moreover, a Pfaffian extension is made for the equation by means of the Pfaffianization procedure, the Wronski-type and Gramm-type Pfaffian solutions of the resulting coupled system are presented. 展开更多
关键词 Hirota bilinear form grammian and Pfaffian solutions Wronski-type and Gramm-typePfaffian solutions
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