Limit shapes for Domain-Wall (colored) vertex models

Fuente: arXiv
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Main Authors: Di Francesco, Philippe, Keating, David
Format: Preprint
Published: 2025
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author Di Francesco, Philippe
Keating, David
author_facet Di Francesco, Philippe
Keating, David
contents We study partition functions with domain-wall like boundary conditions for path models issued from colored vertex models. These models display an arctic phenomenon, as attested by numerical simulations. We show that the colored vertex model is equivalent to a certain single-color ``colorblind" vertex model. In a special case of the weights for the colorblind touching paths, we derive the arctic curve using a bijective sliding map to non-intersecting paths, for which arctic curves were previously derived using the tangent method. The resulting arctic curves are only piecewise analytic, as in the known non-free fermion cases of Six vertex model with domain-wall boundaries and its relatives. We also prove a shear phenomenon, that some portions of the arctic curve are sheared versions of the analytic continuation of other portions, as already observed in the uniformly weighted Six and Twenty vertex models.
format Preprint
id arxiv_https___arxiv_org_abs_2509_25442
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Limit shapes for Domain-Wall (colored) vertex models
Di Francesco, Philippe
Keating, David
Mathematical Physics
Statistical Mechanics
Combinatorics
We study partition functions with domain-wall like boundary conditions for path models issued from colored vertex models. These models display an arctic phenomenon, as attested by numerical simulations. We show that the colored vertex model is equivalent to a certain single-color ``colorblind" vertex model. In a special case of the weights for the colorblind touching paths, we derive the arctic curve using a bijective sliding map to non-intersecting paths, for which arctic curves were previously derived using the tangent method. The resulting arctic curves are only piecewise analytic, as in the known non-free fermion cases of Six vertex model with domain-wall boundaries and its relatives. We also prove a shear phenomenon, that some portions of the arctic curve are sheared versions of the analytic continuation of other portions, as already observed in the uniformly weighted Six and Twenty vertex models.
title Limit shapes for Domain-Wall (colored) vertex models
topic Mathematical Physics
Statistical Mechanics
Combinatorics
url https://arxiv.org/abs/2509.25442