On grid homology for diagonal knots

Fuente: arXiv
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Autor principal: Kubota, Hajime
Formato: Preprint
Publicado: 2025
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author Kubota, Hajime
author_facet Kubota, Hajime
contents We partially determine grid homology (combinatorial knot Floer homology) of diagonal knots, which are conjectured to be equivalent to positive braid knots, by exploiting nice grid diagrams. Its next-to-top term detects the number of prime factors, and the $\text{top}-2$ term corresponds to the decompositions of the knot into two non-integer tangles. We compare diagonal knots to various classes of knots, such as positive braids, fibered positive knots, and $L$-space knots.
format Preprint
id arxiv_https___arxiv_org_abs_2502_02939
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On grid homology for diagonal knots
Kubota, Hajime
Geometric Topology
57K10, 57K18
We partially determine grid homology (combinatorial knot Floer homology) of diagonal knots, which are conjectured to be equivalent to positive braid knots, by exploiting nice grid diagrams. Its next-to-top term detects the number of prime factors, and the $\text{top}-2$ term corresponds to the decompositions of the knot into two non-integer tangles. We compare diagonal knots to various classes of knots, such as positive braids, fibered positive knots, and $L$-space knots.
title On grid homology for diagonal knots
topic Geometric Topology
57K10, 57K18
url https://arxiv.org/abs/2502.02939