Groups acting on products of locally finite trees
Year: 2026
Type: article
Abstract: We examine the question of which finitely generated groups act properly on a finite product of locally finite simplicial trees and present evidence in favour of hyperbolic surface groups having such an action. We also give a completely explicit embedding of the genus 2 closed hyperbolic surface group in $SL_2(\F_p(x,y))$ for any prime $p$.
Source: Apollo (University of Cambridge)
DOI: 10.17863/cam.128620
Author: Button, Jack
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7147538417
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