Inducing fixed points in the Stone-Cech compactification

被引:4
作者
Good, C [1 ]
机构
[1] UNIV OXFORD WADHAM COLL,OXFORD OX1 3PN,ENGLAND
关键词
autohomeomorphism; Stone-Cech compactification; ideal fixed point; FAE;
D O I
10.1016/0166-8641(95)00074-7
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
If f is an autohomeomorphism of some space X, then beta f denotes its Stone-Cech extension to beta X. For each n less than or equal to omega, we give an example of a first countable, strongly zero-dimensional, subparacompact X and a map f such that every point of X has an orbit of size n under f and beta f has a fixed point. We give an example of a normal, zero-dimensional X such that f is fixed-point-free but beta f is not. We note that it is impossible for every point of X to have an orbit of size 3 and beta X to have a point with orbit of size 2.
引用
收藏
页码:145 / 152
页数:8
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