Algorithmic pirogov-sinai theory

T Helmuth, W Perkins, G Regts - Proceedings of the 51st Annual ACM …, 2019 - dl.acm.org
We develop an efficient algorithmic approach for approximate counting and sampling in the
low-temperature regime of a broad class of statistical physics models on finite subsets of the …

Unbiased Monte Carlo cluster updates with autoregressive neural networks

D Wu, R Rossi, G Carleo - Physical Review Research, 2021 - APS
Efficient sampling of complex high-dimensional probability distributions is a central task in
computational science. Machine learning methods like autoregressive neural networks …

Random cluster dynamics for the Ising model is rapidly mixing

H Guo, M Jerrum - Proceedings of the Twenty-Eighth Annual ACM-SIAM …, 2017 - SIAM
We show for the first time that the mixing time of Glauber (single edge update) dynamics for
the random cluster model at q= 2 is bounded by a polynomial in the size of the underlying …

Finite-size scaling, phase coexistence, and algorithms for the random cluster model on random graphs

T Helmuth, M Jenssen, W Perkins - … de l'Institut Henri Poincare (B) …, 2023 - projecteuclid.org
For Δ≥ 5 and q large as a function of Δ, we give a detailed picture of the phase transition of
the random cluster model on random Δ-regular graphs. In particular, we determine the …

Metastability of the Potts ferromagnet on random regular graphs

A Coja-Oghlan, A Galanis, LA Goldberg… - … in Mathematical Physics, 2023 - Springer
We study the performance of Markov chains for the q-state ferromagnetic Potts model on
random regular graphs. While the cases of the grid and the complete graph are by now well …

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 …

Log‐Sobolev inequality for near critical Ising models

R Bauerschmidt, B Dagallier - Communications on Pure and …, 2024 - Wiley Online Library
For general ferromagnetic Ising models whose coupling matrix has bounded spectral radius,
we show that the log‐Sobolev constant satisfies a simple bound expressed only in terms of …

Sampling from the Potts model at low temperatures via Swendsen–Wang dynamics

A Blanca, R Gheissari - 2023 IEEE 64th Annual Symposium on …, 2023 - ieeexplore.ieee.org
Sampling from the q-state ferromagnetic Potts model is a fundamental question in statistical
physics, probability theory, and theoretical computer science. On general graphs, this …

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 …

Swendsen‐Wang algorithm on the mean‐field Potts model

A Galanis, D Štefankovič… - Random Structures & …, 2019 - Wiley Online Library
We study the q‐state ferromagnetic Potts model on the n‐vertex complete graph known as
the mean‐field (Curie‐Weiss) model. We analyze the Swendsen‐Wang algorithm which is a …