Strong spatial mixing for colorings on trees and its algorithmic applications

Z Chen, K Liu, N Mani, A Moitra - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
Strong spatial mixing (SSM) is an important quantitative notion of correlation decay for Gibbs
distributions arising in statistical physics, probability theory, and theoretical computer …

Sampling lovász local lemma for general constraint satisfaction solutions in near-linear time

K He, C Wang, Y Yin - 2022 IEEE 63rd Annual Symposium on …, 2022 - ieeexplore.ieee.org
We give a fast algorithm for sampling uniform solutions of general constraint satisfaction
problems (CSPs) in a local lemma regime. Ihe expected running time of our algorithm is …

Towards derandomising markov chain monte carlo

W Feng, H Guo, C Wang, J Wang… - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
We present a new framework to derandomise certain Markov chain Monte Carlo (MCMC)
algorithms. As in MCMC, we first reduce counting problems to sampling from a sequence of …

Improved bounds for sampling solutions of random CNF formulas

K He, K Wu, K Yang - Proceedings of the 2023 Annual ACM-SIAM …, 2023 - SIAM
Let Φ be a random k-CNF formula on n variables and m clauses, where each clause is a
disjunction of k literals chosen independently and uniformly. Our goal is, for most Φ, to …

Perfect sampling from pairwise comparisons

D Fotakis, A Kalavasis… - Advances in Neural …, 2022 - proceedings.neurips.cc
In this work, we study how to efficiently obtain perfect samples from a discrete distribution
$\mathcal {D} $ given access only to pairwise comparisons of elements of its support …

Deterministic counting Lovász local lemma beyond linear programming

K He, C Wang, Y Yin - Proceedings of the 2023 Annual ACM-SIAM …, 2023 - SIAM
We give a simple combinatorial algorithm to deterministically approximately count the
number of satisfying assignments of general constraint satisfaction problems (CSPs) …

Fast and perfect sampling of subgraphs and polymer systems

A Blanca, S Cannon, W Perkins - ACM Transactions on Algorithms, 2024 - dl.acm.org
We give an efficient perfect sampling algorithm for weighted, connected induced subgraphs
(or graphlets) of rooted, bounded degree graphs. Our algorithm utilizes a vertex-percolation …

Fast Sampling of Satisfying Assignments from Random -SAT with Applications to Connectivity

Z Chen, A Galanis, LA Goldberg, H Guo… - SIAM Journal on Discrete …, 2024 - SIAM
We give a nearly linear-time algorithm to approximately sample satisfying assignments in
the random-SAT model when the density of the formula scales exponentially with. The best …

Perfect sampling for hard spheres from strong spatial mixing

K Anand, A Göbel, M Pappik, W Perkins - arXiv preprint arXiv:2305.02450, 2023 - arxiv.org
We provide a perfect sampling algorithm for the hard-sphere model on subsets of $\mathbb
{R}^ d $ with expected running time linear in the volume under the assumption of strong …

Fundamentals of partial rejection sampling

M Jerrum - Probability Surveys, 2024 - projecteuclid.org
Abstract Partial Rejection Sampling is an algorithmic approach to obtaining a perfect sample
from a specified distribution. The objects to be sampled are assumed to be represented by a …