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Main Authors: Estrada, Carlos Pérez, Ramos-García, Ulises Ariet
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2408.16162
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author Estrada, Carlos Pérez
Ramos-García, Ulises Ariet
author_facet Estrada, Carlos Pérez
Ramos-García, Ulises Ariet
contents We prove that every Polish group with more than two elements admits a non-trivial topological group automorphism. As a consequence, a hypothetical uniquely homogeneous Polish space with more than two points cannot be a semitopological group.
format Preprint
id arxiv_https___arxiv_org_abs_2408_16162
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Every Polish group has a non-trivial topological group automorphism
Estrada, Carlos Pérez
Ramos-García, Ulises Ariet
Logic
03E15, 54H11
We prove that every Polish group with more than two elements admits a non-trivial topological group automorphism. As a consequence, a hypothetical uniquely homogeneous Polish space with more than two points cannot be a semitopological group.
title Every Polish group has a non-trivial topological group automorphism
topic Logic
03E15, 54H11
url https://arxiv.org/abs/2408.16162