Complete orbit equivalence relation and non-universal Polish groups
Logic
2026-04-22 v1
Abstract
We show that a non-universal Polish group can induce a complete orbit equivalence relation, which answers a question of Sabok from \cite{OPENPROBLEMS}.
Keywords
Cite
@article{arxiv.2601.13030,
title = {Complete orbit equivalence relation and non-universal Polish groups},
author = {Longyun Ding and Ruiwen Li and Bo Peng},
journal= {arXiv preprint arXiv:2601.13030},
year = {2026}
}