Sampling from the Sherrington-Kirkpatrick Gibbs measure via algorithmic stochastic localization

A El Alaoui, A Montanari… - 2022 IEEE 63rd Annual …, 2022 - ieeexplore.ieee.org
We consider the Sherrington-Kirkpatrick model of spin glasses at high-temperature and no
external field, and study the problem of sampling from the Gibbs distribution μ in polynomial …

Low-degree hardness of random optimization problems

D Gamarnik, A Jagannath… - 2020 IEEE 61st Annual …, 2020 - ieeexplore.ieee.org
We consider the problem of finding nearly optimal solutions of optimization problems with
random objective functions. Such problems arise widely in the theory of random graphs …

Algorithmic thresholds for tensor PCA

GB Arous, R Gheissari, A Jagannath - The Annals of Probability, 2020 - JSTOR
We study the algorithmic thresholds for principal component analysis of Gaussian k-tensors
with a planted rank-one spike, via Langevin dynamics and gradient descent. In order to …

Sampling from mean-field gibbs measures via diffusion processes

AE Alaoui, A Montanari, M Sellke - arXiv preprint arXiv:2310.08912, 2023 - arxiv.org
We consider Ising mixed $ p $-spin glasses at high-temperature and without external field,
and study the problem of sampling from the Gibbs distribution $\mu $ in polynomial time. We …

Following the ground states of full‐RSB spherical spin glasses

E Subag - Communications on Pure and Applied Mathematics, 2021 - Wiley Online Library
We focus on spherical spin glasses whose Parisi distribution has support of the form [0, q].
For such models we construct paths from the origin to the sphere that consistently remain …

Universality of spectral independence with applications to fast mixing in spin glasses

N Anari, V Jain, F Koehler, HT Pham, TD Vuong - Proceedings of the 2024 …, 2024 - SIAM
We study Glauber dynamics for sampling from discrete distributions μ on the hypercube {±1}
n. Recently, techniques based on spectral independence have successfully yielded optimal …

Mind the gap: Achieving a super-grover quantum speedup by jumping to the end

AM Dalzell, N Pancotti, ET Campbell… - Proceedings of the 55th …, 2023 - dl.acm.org
We present a quantum algorithm that has rigorous runtime guarantees for several families of
binary optimization problems, including Quadratic Unconstrained Binary Optimization …

Strong topological trivialization of multi-species spherical spin glasses

B Huang, M Sellke - arXiv preprint arXiv:2308.09677, 2023 - arxiv.org
We study the landscapes of multi-species spherical spin glasses. Our results determine the
phase boundary for annealed trivialization of the number of critical points, and establish its …

Hardness of Random Optimization Problems for Boolean Circuits, Low-Degree Polynomials, and Langevin Dynamics

D Gamarnik, A Jagannath, AS Wein - SIAM Journal on Computing, 2024 - SIAM
We consider the problem of finding nearly optimal solutions of optimization problems with
random objective functions. Such problems arise widely in the theory of random graphs …

[HTML][HTML] A very simple proof of the LSI for high temperature spin systems

R Bauerschmidt, T Bodineau - Journal of Functional Analysis, 2019 - Elsevier
We present a very simple proof that the O (n) model satisfies a uniform logarithmic Sobolev
inequality (LSI) if the difference between the largest and the smallest eigenvalue of the …