枫木
计算
双线性形式
符号计算
班级(哲学)
双线性插值
应用数学
数学
域代数上的
计算机科学
纯数学
数学分析
算法
人工智能
统计
生物
植物
作者
Jing-Yun Yang,Wen‐Xiu Ma
出处
期刊:International Journal of Modern Physics B
[World Scientific]
日期:2016-11-10
卷期号:30 (28n29): 1640028-1640028
被引量:167
标识
DOI:10.1142/s0217979216400282
摘要
Lump solutions are rationally localized in all directions in the space. A general class of lump solutions to the (2+1)-dimensional B-Kadomtsev–Petviashvili (BKP) equation is presented through symbolic computation with Maple. The Hirota bilinear form of the equation is the starting point in the computation process. Like the KP equation, the resulting lump solutions contain six arbitrary parameters. Two of the parameters are due to the translation invariances of the BKP equation with the independent variables, and the other four need to satisfy a nonzero determinant condition and the positivity condition, which guarantee analyticity and rational localization of the solutions.
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