摘要
给出了环面上连续自映射f的ω-极限集的如下结果:若(x,y)∈X,则(1)ωf(x,y)=ωfn(x,y);(2)(x,y)AP(f)蕴涵ωf(x,y)不可数;(3)ωf(x,y)或是由f的一条周期轨道组成,或不可数;(4)ωf(x,y)=∪n-1i=0ωfn(fi(x,y)),f(ωfn(fi(x,y)))=ωfn(fi+1(x,y)),f(ωfn(fn-1(x,y)))=ωfn(x,y)。
The result of co-limit set of a continuous mapping f for torus is shown as follows: if (x,y) ω X, then ( 1 ) ωf(x,y) = ωf (x,y) ;(2)(x,y) AP(f)ωf(x,y) is noncountable; (3)ωf(x,y) consists of a periodic orbit or it is noncountable ;(4)ωf(x,y)=n-1∪i=0ωfn(f(x,y))f(ωfnf(x,y)))=ωfn(fi+1(x,y)),f(ωfn(fn-1(x,y)))=ωfn(x,y).
出处
《长春大学学报》
2013年第12期1588-1589,1598,共3页
Journal of Changchun University
关键词
迭代
周期点
轨道
Ω-极限集
iteration
periodic point
orbit
ω-limit set