Trajectory equation of a lump before and after collision with line, lump, and breather waves for (2+1)-dimensional Kadomtsev–Petviashvili equation*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11775121, 11805106, and 11435005) and K C Wong Magna Fund in Ningbo University, China.

Zhang Zhao, Yang Xiangyu, Li Wentao, Li Biao
       

Hybrid solutions consisting of a lump and a breather wave for Eq. (1). (a) Three-dimensional plot at t = 2; (b) density plot at t = −0.5.