An efficient algorithm of logarithmic transformation to Hirota bilinear form of KdV-type bilinear equation

作者：Ye Yichao; Wang Lihong; Chang Zhaowei; He Jingsong^*

来源：Applied Mathematics and Computation, 2011, 218(5): 2200-2209.

DOI：10.1016/j.amc.2011.07.036

• Hirota bilinear form
• KdV-type bilinear equation
• D-operator
• Logarithmic transformation
• Symbolic computation

In this paper, an efficient algorithm of logarithmic transformation to Hirota bilinear form of the KdV-type bilinear equation is established. In the algorithm, some properties of Hirota operator and logarithmic transformation are successfully applied, which helps to prove that the linear terms of the nonlinear partial differential equation play a crucial role in finding the Hirota bilinear form. Experimented with various integro-differential equations, our algorithm is proven to be more efficient than the algorithm referred by Zhou, Fu, and Li in getting the Hirota bilinear form, especially in achieving the coefficient of the logarithmic transformation.

• 出版日期2011-11-1
• 单位宁波大学