Essential loops in taut ideal triangulations
arXiv:1902.03206 · doi:10.2140/agt.2020.20.487
Abstract
In this note we combinatorialise a technique of Novikov. We use this to prove that, in a three-manifold equipped with a taut ideal triangulation, any vertical or normal loop is essential in the fundamental group.
15 pages, 10 figures and tables. In v3 we have removed the appendix (introduced in v2). This material will appear elsewhere