Algorithms for the ferromagnetic Potts model on expanders

C Carlson, E Davies, N Fraiman, A Kolla… - Combinatorics …, 2024 - cambridge.org
We give algorithms for approximating the partition function of the ferromagnetic $ q $-color
Potts model on graphs of maximum degree $ d $. Our primary contribution is a fully …

Sampling from the random cluster model on random regular graphs at all temperatures via Glauber dynamics

A Galanis, LA Goldberg, P Smolarova - … , Probability and Computing, 2024 - cambridge.org
We consider the performance of Glauber dynamics for the random cluster model with real
parameter, including in particular the bottleneck window. Our result is inspired by the recent …

Fast and slow mixing of the Kawasaki dynamics on bounded-degree graphs

A Kuchukova, M Pappik, W Perkins, C Yap - arxiv preprint arxiv …, 2024 - arxiv.org
We study the worst-case mixing time of the global Kawasaki dynamics for the fixed-
magnetization Ising model on the class of graphs of maximum degree $\Delta $. Proving a …

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 …

[HTML][HTML] Metastability for the degenerate Potts Model with positive external magnetic field under Glauber dynamics

G Bet, A Gallo, FR Nardi - Stochastic Processes and their Applications, 2024 - Elsevier
We consider the ferromagnetic q-state Potts model on a finite grid graph with non-zero
external field and periodic boundary conditions. The system evolves according to Glauber …

Planting and MCMC Sampling from the Potts model

A Galanis, LA Goldberg, P Smolarova - arxiv preprint arxiv:2410.14409, 2024 - arxiv.org
We consider the problem of sampling from the ferromagnetic $ q $-state Potts model on the
random $ d $-regular graph with parameter $\beta> 0$. A key difficulty that arises in …

On the tractability of sampling from the Potts model at low temperatures via Swendsen--Wang dynamics

A Blanca, R Gheissari - arxiv preprint arxiv:2304.03182, 2023 - arxiv.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 …

On the tractability of sampling from the Potts model at low temperatures via random-cluster dynamics

A Blanca, R Gheissari - Probability Theory and Related Fields, 2024 - Springer
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 …

The Swendsen–Wang dynamics on trees

A Blanca, Z Chen, D Štefankovič… - Random Structures & …, 2023 - Wiley Online Library
Abstract The Swendsen–Wang algorithm is a sophisticated, widely‐used Markov chain for
sampling from the Gibbs distribution for the ferromagnetic Ising and Potts models. This chain …

Rapid mixing of global markov chains via spectral independence: the unbounded degree case

A Blanca, X Zhang - arxiv preprint arxiv:2307.00683, 2023 - arxiv.org
We consider spin systems on general $ n $-vertex graphs of unbounded degree and explore
the effects of spectral independence on the rate of convergence to equilibrium of global …