摘要
R.Hirote称为KdV型方程,其中F是二元多项式,满足F(D_l,D_x)=F(-D_l,-D_x),F(0,0)=0,并指出,若F满足恒等式则(1)
In this paper,it is proved that each of a class of KdV-type equations has only two-soliton solutions.The process of proof provides a simple approach to negating the Hirota condition.
出处
《应用数学学报》
CSCD
北大核心
1991年第1期111-114,共4页
Acta Mathematicae Applicatae Sinica
