Author

Tamunonye Cheetham-West

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Preprint Sep 2026

Finiteness of closed arithmetic hyperbolic surface bundles

For each $g\ge 2$, we show that there are finitely many cyclic commensurability classes of closed, fibered arithmetic hyperbolic $3$-manifolds with genus $g$ fiber. More generally, we show that there are only finitely many conjugacy classes of admissible surface subgroups of PSL$_2(\mathbb{C})$ whose image is contained...

Tamunonye Cheetham-West, Ho-Min Lee, N. Miller · 0 citations

Preprint Jul 2026

Normalizers of lattices and isometry groups of arithmetic hyperbolic manifolds

We prove that every arithmetic lattice in PSL$(2,\mathbb{C})$ and every arithmetic lattice of the simplest type in PO$(n,1)$, $n\ge 2$, is the normalizer of arbitrarily many of its sublattices. Combined with previous work, this result implies that every lattice in PSL$(2,\mathbb{C})$ has this property. In this way, we...

M. Belolipetsky, Tamunonye Cheetham-West · 0 citations