Lambda lengths in The figure eight knot complement

Fuente: arXiv
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Autori principali: Howie, Joshua A., Ibarra, Dionne, Mathews, Daniel V., Su, Lecheng
Natura: Preprint
Pubblicazione: 2024
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author Howie, Joshua A.
Ibarra, Dionne
Mathews, Daniel V.
Su, Lecheng
author_facet Howie, Joshua A.
Ibarra, Dionne
Mathews, Daniel V.
Su, Lecheng
contents 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.
format Preprint
id arxiv_https___arxiv_org_abs_2411_06368
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Lambda lengths in The figure eight knot complement
Howie, Joshua A.
Ibarra, Dionne
Mathews, Daniel V.
Su, Lecheng
Geometric Topology
57K32 (Primary) 15A66, 53C27, 11R04 (Secondary)
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.
title Lambda lengths in The figure eight knot complement
topic Geometric Topology
57K32 (Primary) 15A66, 53C27, 11R04 (Secondary)
url https://arxiv.org/abs/2411.06368