Fast mixing for independent sets, colorings, and other models on trees

F Martinelli, A Sinclair, D Weitz - Random Structures & …, 2007 - Wiley Online Library
We study the mixing time of the Glauber dynamics for general spin systems on the regular
tree, including the Ising model, the hard‐core model (independent sets), and the …

Randomly coloring sparse random graphs with fewer colors than the maximum degree

M Dyer, AD Flaxman, AM Frieze… - Random Structures & …, 2006 - Wiley Online Library
We analyze Markov chains for generating a random k‐coloring of a random graph Gn, d/n.
When the average degree d is constant, a random graph has maximum degree Θ (log n/log …

[图书][B] Concentration inequalities with exchangeable pairs

S Chatterjee - 2005 - search.proquest.com
The purpose of this dissertation is to introduce a version of Stein's method of exchangeable
pairs to solve problems in measure concentration. We specifically target systems of …

Reconstruction for the Potts model

A Sly - Proceedings of the forty-first annual ACM symposium …, 2009 - dl.acm.org
The reconstruction problem on the tree plays a key role in several important computational
problems. Deep conjectures in statistical physics link the reconstruction problem to …

Counting without sampling: Asymptotics of the log‐partition function for certain statistical physics models

A Bandyopadhyay, D Gamarnik - Random Structures & …, 2008 - Wiley Online Library
In this article we propose new methods for computing the asymptotic value for the logarithm
of the partition function (free energy) for certain statistical physics models on certain type of …

A non-Markovian coupling for randomly sampling colorings

TP Hayes, E Vigoda - 44th Annual IEEE Symposium on …, 2003 - ieeexplore.ieee.org
We study a simple Markov chain, known as the Glauber dynamics, for randomly sampling
(proper) k-colorings of an input graph G on n vertices with maximum degree/spl Delta/and …

[PDF][PDF] A survey on the use of Markov chains to randomly sample colourings

A Frieze, E Vigoda - Oxford Lecture Series in Mathematics and its …, 2007 - math.cmu.edu
In recent years there has been considerable progress on the analysis of Markov chains for
generating a random coloring of an input graph. These improvements have come in …

Spectral independence, coupling with the stationary distribution, and the spectral gap of the Glauber dynamics

V Jain, HT Pham, TD Vuong - arXiv preprint arXiv:2105.01201, 2021 - arxiv.org
We present a new lower bound on the spectral gap of the Glauber dynamics for the Gibbs
distribution of a spectrally independent $ q $-spin system on a graph $ G=(V, E) $ with …

A deterministic algorithm for counting colorings with 2-Delta colors

J Liu, A Sinclair, P Srivastava - 2019 IEEE 60th Annual …, 2019 - ieeexplore.ieee.org
We give a polynomial time deterministic approximation algorithm (an FPTAS) for counting
the number of q-colorings of a graph of maximum degree Delta, provided only that q≥ …

Approximate counting via correlation decay in spin systems

L Li, P Lu, Y Yin - Proceedings of the twenty-third annual ACM-SIAM …, 2012 - SIAM
We give the first deterministic fully polynomial-time approximation scheme (FPTAS) for
computing the partition function of a two-state spin system on an arbitrary graph, when the …