Improved Distributed Algorithms for Random Colorings

C Carlson, D Frishberg, E Vigoda - arXiv preprint arXiv:2309.07859, 2023 - arxiv.org
Markov Chain Monte Carlo (MCMC) algorithms are a widely-used algorithmic tool for
sampling from high-dimensional distributions, a notable example is the equilibirum …

Parallelize Single-Site Dynamics up to Dobrushin Criterion

H Liu, Y Yin - Journal of the ACM, 2024 - dl.acm.org
Single-site dynamics are canonical Markov chain based algorithms for sampling from high-
dimensional distributions, such as the Gibbs distributions of graphical models. We introduce …

What can be sampled locally?

W Feng, Y Sun, Y Yin - Proceedings of the ACM Symposium on …, 2017 - dl.acm.org
The local computation of Linial [FOCS'87] and Naor and Stockmeyer [STOC'93] concerns
with the question of whether a locally definable distributed computing problem can be …

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 …

Perfect sampling from spatial mixing

W Feng, H Guo, Y Yin - Random Structures & Algorithms, 2022 - Wiley Online Library
We introduce a new perfect sampling technique that can be applied to general Gibbs
distributions and runs in linear time if the correlation decays faster than the neighborhood …

Simple parallel algorithms for single-site dynamics

H Liu, Y Yin - Proceedings of the 54th Annual ACM SIGACT …, 2022 - dl.acm.org
The single-site dynamics are a canonical class of Markov chains for sampling from high-
dimensional probability distributions, eg the ones represented by graphical models. We give …

Distributed symmetry breaking in sampling (optimal distributed randomly coloring with fewer colors)

W Feng, TP Hayes, Y Yin - arXiv preprint arXiv:1802.06953, 2018 - arxiv.org
We examine the problem of almost-uniform sampling proper $ q $-colorings of a graph
whose maximum degree is $\Delta $. A famous result, discovered independently by Jerrum …

Model Counting Meets Distinct Elements

A Pavan, NV Vinodchandran, A Bhattacharyya… - Communications of the …, 2023 - dl.acm.org
Constraint satisfaction problems (CSPs) and data stream models are two powerful
abstractions to capture a wide variety of problems arising in different domains of computer …

Model Counting Meets F0 Estimation

A Pavan®, NV Vinodchandran®… - ACM Transactions on …, 2023 - dl.acm.org
Constraint satisfaction problems (CSPs) and data stream models are two powerful
abstractions to capture a wide variety of problems arising in different domains of computer …

Sublinear-time Sampling of Spanning Trees in the Congested Clique

SV Pemmaraju, S Roy, JZ Sobel - arXiv preprint arXiv:2411.13334, 2024 - arxiv.org
We present the first sublinear round algorithm for approximately sampling uniform spanning
trees in the CongestedClique model of distributed computing. In particular, our algorithm …