ZHAO Zhihong, XU Yuantong, GE Weigao. The Group Invariant Solutions of KdV Type Equation with Discrete Delay[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2010,49(3):5-7.
ZHAO Zhihong, XU Yuantong, GE Weigao. The Group Invariant Solutions of KdV Type Equation with Discrete Delay[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2010,49(3):5-7.DOI:
The group invariant solutions of the KdV type equation with discrete delay ut(t
x)+u(t
x)ux(t
x)+uxxx(t
x)=g(x
u
u(t-τ
x)) are studied. According to the definition of an equivalence Lie group for delay differential equations
we construct the determining equations and admitted Lie groups of delay KdV type equation. Then the group invariant solutions of the delay KdV type equation are obtained.
关键词
时滞KdV类方程容许Lie群群不变解
Keywords
KdV type equation with discrete delayadmitted Lie groupgroup invariant solution