Volume 15, issue 5 (2015)

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Constructing thin subgroups commensurable with the figure-eight knot group

Samuel Ballas and Darren D Long

Algebraic & Geometric Topology 15 (2015) 3009–3022
Abstract

We find infinitely many lattices in $SL\left(4,R\right)$, each of which contains thin subgroups commensurable with the figure-eight knot group.

Keywords
projective structures, figure-eight, thin groups, Zariski dense
Primary: 57M60