Optimal mixing of Glauber dynamics: Entropy factorization via high-dimensional expansion
We prove an optimal mixing time bound for the single-site update Markov chain known as
the Glauber dynamics or Gibbs sampling in a variety of settings. Our work presents an …
the Glauber dynamics or Gibbs sampling in a variety of settings. Our work presents an …
Rapid mixing from spectral independence beyond the Boolean domain
We extend the notion of spectral independence (introduced by Anari, Liu, and Oveis
Gharan) from the Boolean domain to general discrete domains. This property characterises …
Gharan) from the Boolean domain to general discrete domains. This property characterises …
Rapid mixing for colorings via spectral independence
The spectral independence approach of Anari et al.(2020) utilized recent results on high-
dimensional expanders of Alev and Lau (2020) and established rapid mixing of the Glauber …
dimensional expanders of Alev and Lau (2020) and established rapid mixing of the Glauber …
Strong spatial mixing for colorings on trees and its algorithmic applications
Strong spatial mixing (SSM) is an important quantitative notion of correlation decay for Gibbs
distributions arising in statistical physics, probability theory, and theoretical computer …
distributions arising in statistical physics, probability theory, and theoretical computer …
Improved bounds for randomly sampling colorings via linear programming
A well-known conjecture in computer science and statistical physics is that Glauber
dynamics on the set of k-colorings of a graph G on n vertices with maximum degree Δ is …
dynamics on the set of k-colorings of a graph G on n vertices with maximum degree Δ is …
A matrix trickle-down theorem on simplicial complexes and applications to sampling colorings
D Abdolazimi, K Liu, SO Gharan - 2021 IEEE 62nd Annual …, 2022 - ieeexplore.ieee.org
We show that the natural Glauber dynamics mixes rapidly and generates a random proper
edge-coloring of a graph with maximum degree Δ whenever the number of colors is at least …
edge-coloring of a graph with maximum degree Δ whenever the number of colors is at least …
Convergence of MCMC and loopy BP in the tree uniqueness region for the hard-core model
We study the hard-core (gas) model defined on independent sets of an input graph where
the independent sets are weighted by a parameter (aka fugacity) λ>0. For constant Δ, the …
the independent sets are weighted by a parameter (aka fugacity) λ>0. For constant Δ, the …
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≥ …
the number of q-colorings of a graph of maximum degree Delta, provided only that q≥ …
Counting independent sets and colorings on random regular bipartite graphs
We give a fully polynomial-time approximation scheme (FPTAS) to count the number of
independent sets on almost every $\Delta $-regular bipartite graph if $\Delta\ge 53$. In the …
independent sets on almost every $\Delta $-regular bipartite graph if $\Delta\ge 53$. In the …
Sampling Proper Colorings on Line Graphs Using (1+ o (1)) Δ Colors
We prove that the single-site Glauber dynamics for sampling proper q-colorings mixes in O Δ
(n log n) time on line graphs with n vertices and maximum degree Δ when q>(1+ o (1)) Δ …
(n log n) time on line graphs with n vertices and maximum degree Δ when q>(1+ o (1)) Δ …