Disordered systems insights on computational hardness

D Gamarnik, C Moore… - Journal of Statistical …, 2022 - iopscience.iop.org
In this review article we discuss connections between the physics of disordered systems,
phase transitions in inference problems, and computational hardness. We introduce two …

Optimization of the Sherrington--Kirkpatrick Hamiltonian

A Montanari - SIAM Journal on Computing, 2021 - SIAM
Let A∈\mathbbR^n*n be a symmetric random matrix with independent and identically
distributed (iid) Gaussian entries above the diagonal. We consider the problem of …

Reducibility and statistical-computational gaps from secret leakage

M Brennan, G Bresler - Conference on Learning Theory, 2020 - proceedings.mlr.press
Inference problems with conjectured statistical-computational gaps are ubiquitous
throughout modern statistics, computer science, statistical physics and discrete probability …

Optimization of mean-field spin glasses

A El Alaoui, A Montanari, M Sellke - The Annals of Probability, 2021 - projecteuclid.org
Optimization of mean-field spin glasses Page 1 The Annals of Probability 2021, Vol. 49, No. 6,
2922–2960 https://doi.org/10.1214/21-AOP1519 © Institute of Mathematical Statistics, 2021 …

A precise high-dimensional asymptotic theory for boosting and minimum--norm interpolated classifiers

T Liang, P Sur - The Annals of Statistics, 2022 - projecteuclid.org
A precise high-dimensional asymptotic theory for boosting and minimum-l1-norm
interpolated classifiers Page 1 The Annals of Statistics 2022, Vol. 50, No. 3, 1669–1695 …

Computational barriers to estimation from low-degree polynomials

T Schramm, AS Wein - The Annals of Statistics, 2022 - projecteuclid.org
Computational barriers to estimation from low-degree polynomials Page 1 The Annals of
Statistics 2022, Vol. 50, No. 3, 1833–1858 https://doi.org/10.1214/22-AOS2179 © Institute of …

Lattice-based methods surpass sum-of-squares in clustering

I Zadik, MJ Song, AS Wein… - Conference on Learning …, 2022 - proceedings.mlr.press
Clustering is a fundamental primitive in unsupervised learning which gives rise to a rich
class of computationally-challenging inference tasks. In this work, we focus on the canonical …

Computational hardness of certifying bounds on constrained PCA problems

AS Bandeira, D Kunisky, AS Wein - arXiv preprint arXiv:1902.07324, 2019 - arxiv.org
Given a random $ n\times n $ symmetric matrix $\boldsymbol W $ drawn from the Gaussian
orthogonal ensemble (GOE), we consider the problem of certifying an upper bound on the …

Sum-of-squares lower bounds for densest k-subgraph

C Jones, A Potechin, G Rajendran, J Xu - Proceedings of the 55th …, 2023 - dl.acm.org
Given a graph and an integer k, Densest k-Subgraph is the algorithmic task of finding the
subgraph on k vertices with the maximum number of edges. This is a fundamental problem …

Sum-of-squares lower bounds for sparse independent set

C Jones, A Potechin, G Rajendran… - 2021 IEEE 62nd …, 2022 - ieeexplore.ieee.org
The Sum-of-Squares (SoS) hierarchy of semidefinite programs is a powerful algorithmic
paradigm which captures state-of-the-art algorithmic guarantees for a wide array of …