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Bibliographic Details
Main Authors: Kojima, Sadayoshi, Sheng, Xiaobing
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2603.18410
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author Kojima, Sadayoshi
Sheng, Xiaobing
author_facet Kojima, Sadayoshi
Sheng, Xiaobing
contents We prove that the Brin-Thompson group $nV$ is torsion locally finite for $ n \geq 1$ which is known only when $n = 1$, and $nV$ contains continuum many copies of the additive group of the rationals $\mathbb{Q}$ for $n \geq 2$ which is known to be false for the $n = 1$ case.
format Preprint
id arxiv_https___arxiv_org_abs_2603_18410
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle On subgroups of Brin-Thompson groups $nV$
Kojima, Sadayoshi
Sheng, Xiaobing
Group Theory
Geometric Topology
Primary 20F65, Secondary 20E07, 37B10
We prove that the Brin-Thompson group $nV$ is torsion locally finite for $ n \geq 1$ which is known only when $n = 1$, and $nV$ contains continuum many copies of the additive group of the rationals $\mathbb{Q}$ for $n \geq 2$ which is known to be false for the $n = 1$ case.
title On subgroups of Brin-Thompson groups $nV$
topic Group Theory
Geometric Topology
Primary 20F65, Secondary 20E07, 37B10
url https://arxiv.org/abs/2603.18410