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一类新型浅水波方程的反散射逼近 被引量:2

Inverse scattering approach of a new class of integrable equation
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摘要 研究了一类新的可积型浅水波方程即Dullin-Gottwald-Holm(DGH)方程的反散射逼近问题.通过一种逼近法为DGH方程的反散射问题提供了一种新的计算上更为简单的算法,即将初始位势的计算转化为求解一个线性积分方程和一个反函数;最后以具体例题演示了此算法,完善了DGH方程的反散射问题. Inverse scattering approach was studied for a new integrable shallow water wave equation named Dullin-Gottwald-Holm equation(i.e.DGH equation).An alternative approach,which provided a more convenient algorithm for inverse scattering problem,was proposed.In this algorithm,the initial potential was amounted by solving a linear integrable equation and an inverse function.Some computing examples show the applicability of the new approaches.
作者 居琳
出处 《江苏科技大学学报(自然科学版)》 CAS 北大核心 2010年第5期514-517,共4页 Journal of Jiangsu University of Science and Technology:Natural Science Edition
关键词 DGH方程 反散射方法 反散射逼近 DGH equation inverse scattering method inverse scattering approach
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参考文献9

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二级参考文献6

  • 1[1]DULLIN R,GOTTWALD G,HOLM D.An integrable shallow water equation with linear and nonlinear dispersion[J].Phys Rev Lett,2001,87(9):4501-4504.
  • 2[2]TIAN L X,GUI G L,LIU Y.On the well-posedness problem and the scattering problem for DGH equation[J].Comm Math Phys,2005,257(3):667-701.
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