Linking number of grid models

Fuente: arXiv
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Auteurs principaux: Barthel, Senja, Kotorii, Yuka
Format: Preprint
Publié: 2025
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author Barthel, Senja
Kotorii, Yuka
author_facet Barthel, Senja
Kotorii, Yuka
contents This paper studies the linking numbers of random links within the grid model. The linking number is treated as a random variable on the isotopy classes of 2-component links, with the paper exploring its asymptotic growth as the diagram size increases. The main result is that the $u$th moment of the linking number for a random link is a polynomial in the grid size with degree $d\leq u$, and all odd moments vanishing. The limits of the moments of the normalized linking number are computed, and it is shown that the distribution of the normalized linking number converges weakly as the grid size tends to infinity.
format Preprint
id arxiv_https___arxiv_org_abs_2506_02369
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Linking number of grid models
Barthel, Senja
Kotorii, Yuka
Geometric Topology
This paper studies the linking numbers of random links within the grid model. The linking number is treated as a random variable on the isotopy classes of 2-component links, with the paper exploring its asymptotic growth as the diagram size increases. The main result is that the $u$th moment of the linking number for a random link is a polynomial in the grid size with degree $d\leq u$, and all odd moments vanishing. The limits of the moments of the normalized linking number are computed, and it is shown that the distribution of the normalized linking number converges weakly as the grid size tends to infinity.
title Linking number of grid models
topic Geometric Topology
url https://arxiv.org/abs/2506.02369