Examples of non-trivial roots of unity at ideal points of hyperbolic 3-manifolds

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76491This paper gives examples of hyperbolic 3-manifolds whose SL(2,C) character varieties have ideal points whose associated roots of unity are not 1 or -1. This answers a question of Cooper, Culler, Gillet, Long, and Shalen as to whether roots of unity other than 1 and -1 occur.12 pages, 1 figure, LaTeX2e. Minor changes, additional remarks, new description of 2nd example. To appear in_Topology_Geometric Topology57MExamples of non-trivial roots of unity at ideal points of hyperbolic 3-manifoldstext