Lambda lengths in The figure eight knot complement
Geometric Topology
2024-11-12 v1
Abstract
In the complete hyperbolic structure on the complement of the figure eight knot, we determine the set of lambda lengths from the maximal cusp to itself. Using the correspondence between spinors and spin-decorated horospheres, we show that these lambda lengths are precisely the Eisenstein integers, up to multiplication by a unit. We also show that the inter-cusp distances from the maximal cusp to itself are precisely the norms of Eisenstein integers.
Cite
@article{arxiv.2411.06368,
title = {Lambda lengths in The figure eight knot complement},
author = {Joshua A. Howie and Dionne Ibarra and Daniel V. Mathews and Lecheng Su},
journal= {arXiv preprint arXiv:2411.06368},
year = {2024}
}
Comments
14 pages, 4 figures