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Mathematics > Group Theory

Title: Property $\mathrm{(NL)}$ in Coexeter groups

Abstract: A group has Property $\mathrm{(NL)}$ if it does not admit a loxodromic element in any hyperbolic action. In other words, a group with this property is inaccessible for study from the perspective of hyperbolic actions. This property was introduced by Balasubramanya, Fournier-Facio and Genevois, who initiated the study of this property. We expand on this research by studying Property $\mathrm{(NL)}$ in Coxeter groups, a class of groups that are defined by an underlying graph. One of our main results show that a right-angled Coxeter group (RACG) has Property $\mathrm{(NL)}$ if and only if its defining graph is complete. We then move beyond the right-angled case to show that if a defining graph is disconnected, its corresponding Coxeter group does not have Property $\mathrm{(NL)}$. Lastly, we classify which triangle groups (Coxeter groups with three generators) have Property $\mathrm{(NL)}$.
Comments: 11 pages, 6 figures
Subjects: Group Theory (math.GR); General Topology (math.GN)
MSC classes: 20F65
Cite as: arXiv:2404.15459 [math.GR]
  (or arXiv:2404.15459v1 [math.GR] for this version)

Submission history

From: Sahana H Balasubramanya [view email]
[v1] Tue, 23 Apr 2024 19:10:06 GMT (21kb)

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