Groups of homeomorphisms and normal subgroups of the group of permutations
In this paper, it is proved that no nontrivial proper normal subgroup of the group of permutations of a set X can be the group of homeomorphisms of (X,T) for any topology T on X.
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
Hindawi Limited
1991-01-01
|
Series: | International Journal of Mathematics and Mathematical Sciences |
Online Access: | http://dx.doi.org/10.1155/S0161171291000650 |