Efficient sampling and counting algorithms for the Potts model on ℤᵈ at all temperatures

C Borgs, J Chayes, T Helmuth, W Perkins… - Proceedings of the 52nd …, 2020 - dl.acm.org
For d≥ 2 and all q≥ q 0 (d) we give an efficient algorithm to approximately sample from the
q-state ferromagnetic Potts and random cluster models on the torus (ℤ/n ℤ) d for any inverse …

Spatial mixing and the random‐cluster dynamics on lattices

R Gheissari, A Sinclair - Random Structures & Algorithms, 2024 - Wiley Online Library
An important paradigm in the understanding of mixing times of Glauber dynamics for spin
systems is the correspondence between spatial mixing properties of the models and bounds …

Mixing times of critical two‐dimensional Potts models

R Gheissari, E Lubetzky - Communications on Pure and …, 2018 - Wiley Online Library
We study dynamical aspects of the q‐state Potts model on an n× n box at its critical βc (q).
Heat‐bath Glauber dynamics and cluster dynamics such as Swendsen–Wang (that …

[HTML][HTML] Tunneling behavior of Ising and Potts models in the low-temperature regime

FR Nardi, A Zocca - Stochastic Processes and their Applications, 2019 - Elsevier
We consider the ferromagnetic q-state Potts model with zero external field in a finite volume
and assume that its stochastic evolution is described by a Glauber-type dynamics …

Random-cluster dynamics on random regular graphs in tree uniqueness

A Blanca, R Gheissari - Communications in Mathematical Physics, 2021 - Springer
We establish rapid mixing of the random-cluster Glauber dynamics on random\varDelta Δ-
regular graphs for all q ≥ 1 q≥ 1 and p< p_u (q,\varDelta) p< pu (q, Δ), where the threshold …

Renormalization of crossing probabilities in the planar random-cluster model

H Duminil-Copin, V Tassion - arXiv preprint arXiv:1901.08294, 2019 - arxiv.org
The study of crossing probabilities-ie probabilities of existence of paths crossing rectangles-
has been at the heart of the theory of two-dimensional percolation since its beginning. They …

The critical mean-field Chayes–Machta dynamics

A Blanca, A Sinclair, X Zhang - Combinatorics, Probability and …, 2022 - cambridge.org
The random-cluster model is a unifying framework for studying random graphs, spin systems
and electrical networks that plays a fundamental role in designing efficient Markov Chain …

Sampling from Potts on random graphs of unbounded degree via random-cluster dynamics

A Blanca, R Gheissari - The Annals of Applied Probability, 2023 - projecteuclid.org
We consider the problem of sampling from the ferromagnetic Potts and random-cluster
models on a general family of random graphs via the Glauber dynamics for the random …

Information percolation and cutoff for the random‐cluster model

S Ganguly, I Seo - Random Structures & Algorithms, 2020 - Wiley Online Library
We consider the random‐cluster model (RCM) on with parameters p∈(0, 1) and q≥ 1. This
is a generalization of the standard bond percolation (with edges open independently with …

Random-cluster dynamics in : Rapid mixing with general boundary conditions

A Blanca, R Gheissari, E Vigoda - 2020 - projecteuclid.org
The random-cluster model with parameters (p,q) is a random graph model that generalizes
bond percolation (q=1) and the Ising and Potts models (q≧2). We study its Glauber …