Delocalization of Uniform Graph Homomorphisms from Z2 to Z

Abstract Graph homomorphisms from the $${\mathbb {Z}}^d$$ Z d...

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Main Authors: Chandgotia, Nishant, Peled, Ron, Sheffield, Scott, Tassy, Martin
Other Authors: Massachusetts Institute of Technology. Department of Mathematics
Format: Article
Language:English
Published: Springer Berlin Heidelberg 2021
Online Access:https://hdl.handle.net/1721.1/133144
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author Chandgotia, Nishant
Peled, Ron
Sheffield, Scott
Tassy, Martin
author2 Massachusetts Institute of Technology. Department of Mathematics
author_facet Massachusetts Institute of Technology. Department of Mathematics
Chandgotia, Nishant
Peled, Ron
Sheffield, Scott
Tassy, Martin
author_sort Chandgotia, Nishant
collection MIT
description Abstract Graph homomorphisms from the $${\mathbb {Z}}^d$$ Z d lattice to $${\mathbb {Z}}$$ Z are functions on $${\mathbb {Z}}^d$$ Z d whose gradients equal one in absolute value. These functions are the height functions corresponding to proper 3-colorings of $${\mathbb {Z}}^d$$ Z d and, in two dimensions, corresponding to the 6-vertex model (square ice). We consider the uniform model, obtained by sampling uniformly such a graph homomorphism subject to boundary conditions. Our main result is that the model delocalizes in two dimensions, having no translation-invariant Gibbs measures. Additional results are obtained in higher dimensions and include the fact that every Gibbs measure which is ergodic under even translations is extremal and that these Gibbs measures are stochastically ordered.
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spelling mit-1721.1/1331442023-06-28T19:58:42Z Delocalization of Uniform Graph Homomorphisms from Z2 to Z Chandgotia, Nishant Peled, Ron Sheffield, Scott Tassy, Martin Massachusetts Institute of Technology. Department of Mathematics Abstract Graph homomorphisms from the $${\mathbb {Z}}^d$$ Z d lattice to $${\mathbb {Z}}$$ Z are functions on $${\mathbb {Z}}^d$$ Z d whose gradients equal one in absolute value. These functions are the height functions corresponding to proper 3-colorings of $${\mathbb {Z}}^d$$ Z d and, in two dimensions, corresponding to the 6-vertex model (square ice). We consider the uniform model, obtained by sampling uniformly such a graph homomorphism subject to boundary conditions. Our main result is that the model delocalizes in two dimensions, having no translation-invariant Gibbs measures. Additional results are obtained in higher dimensions and include the fact that every Gibbs measure which is ergodic under even translations is extremal and that these Gibbs measures are stochastically ordered. 2021-10-27T15:32:26Z 2021-10-27T15:32:26Z 2021-09-13 2021-09-21T03:23:09Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/133144 Chandgotia, Nishant, Peled, Ron, Sheffield, Scott and Tassy, Martin. 2021. "Delocalization of Uniform Graph Homomorphisms from Z2 to Z." en https://doi.org/10.1007/s00220-021-04181-0 Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg
spellingShingle Chandgotia, Nishant
Peled, Ron
Sheffield, Scott
Tassy, Martin
Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title_full Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title_fullStr Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title_full_unstemmed Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title_short Delocalization of Uniform Graph Homomorphisms from Z2 to Z
title_sort delocalization of uniform graph homomorphisms from z2 to z
url https://hdl.handle.net/1721.1/133144
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