Uniqueness and existence of traveling waves for discrete quasilinear monostable dynamics
Uniqueness and existence of traveling waves for discrete quasilinear monostable dynamics
复制标题
DOI:
10.1007/s00208-003-0414-0
复制
发表时间:
2003-04
影响因子:
1.4
通讯作者:
Xinfu Chen;Jong-Shenq Guo
中科院分区:
文献类型:
--
作者:
Xinfu Chen;Jong-Shenq Guo
We study traveling waves of a discrete system wherefandgare Lipschitz continuous withgincreasing andfmonostable, i.e.,f(0)=f(1)=0 andf>0 on (0,1). We show that there is a positivecminsuch that a traveling wave of speedcexists if and only ifc≥cmin. Also, we show that traveling waves are unique up to a translation iff′(0)>0>f′(1) andg′(0)>0. The tails of traveling waves are also investigated.