The rates of growth in an acylindrically hyperbolic group
Abstract
Let be an acylindrically hyperbolic group on a -hyperbolic space . Assume there exists such that for any finite generating set of , the set contains a hyperbolic element on . Suppose that is equationally Noetherian. Then we show the set of the growth rates of is well-ordered (Theorem 1.1). The conclusion was known for hyperbolic groups, and this is a generalization. Our result applies to all lattices in simple Lie groups of rank-1 (Theorem 1.3), and more generally, some family of relatively hyperbolic groups (Theorem 1.2). It also applies to the fundamental group, of exponential growth, of a closed orientable -manifold except for the case that the manifold has Sol-geometry (Theorem 5.7).
Keywords
Cite
@article{arxiv.2103.01430,
title = {The rates of growth in an acylindrically hyperbolic group},
author = {Koji Fujiwara},
journal= {arXiv preprint arXiv:2103.01430},
year = {2023}
}
Comments
Definition of WPD is changed (Definition 2.1). Lemma 2.4 on WPD is added. Application to 3-manifold groups is added (Section 5.4). The statement of Theorem 7.1 and Proposition 7.2 are changed. Proof of Lemma 7.4 is changed containing more details