On Order-Preserving and Verbal Embeddings of the Group $\mathbb{Q}$

Details On Order-Preserving and Verbal Embeddings of the Group $\mathbb{Q}$ On Order-Preserving and Verbal Embeddings of the Group $\mathbb{Q}$

2012-01-26

arxiv.org/abs/1201.5505v1

Mathematics

Group Theory

12 pages

Scientific paper

We show that there is an order-preserving embedding of the additive group of rational numbers $\mathbb{Q}$ into a 2-generator group $G$. The group $G$ can be chosen to be a solvable group $G$ of length 3, which is a minimal result in the sense that it cannot be chosen to be neither solvable of length 2, nor a nilpotent group. For any non-trivial word set $V \subseteq F_\infty$ there is an order-preserving verbal embedding of $\mathbb{Q}$ into a 2-generator group $G$. The embeddings constructed are subnormal.

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