Year: 2026
Type: article
Abstract: For n ∈ N n\in\mathbb{N} , a group is called 𝑛-coherent if every subgroup of type F n \mathsf{F}_{n} is of type F n + 1 \mathsf{F}_{n+1} . For n ≥ 1 n\geq 1 , we observe that graphs of groups with 𝑛-coherent vertex groups and virtually poly-cyclic edge groups are 𝑛-coherent. We deduce the 𝑛-coherence of certain right-angled Artin groups.
Source: Journal of Group Theory
Authors: Kevin Li, Luis Jorge Sánchez Saldaña
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
Awards: G1753692188, G3594367355
OpenAlex ID: W4416764459
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