activity
20202026
most citedWhen is Memorization of Irrelevant Training Data Necessary for High-Accuracy Learning?

35 citations · 63 across the 10 of their papers we have counts for

collaborators

10 papers

cs.CR2026

Optimal Rates for Differentially Private Hypothesis Testing with E-values

Ben Jacobsen, Tomas Gonzalez, Gavin Brown +2

E-values have attracted considerable interest in recent years as flexible tools for enabling anytime-valid and adaptive data analysis. Hypothesis testing is at the core of many of…

cs.CR2026

Privately Estimating Monotone Statistics in Polynomial Time

Gavin Brown, Ephraim Linder, Mahbod Majid +1

We study efficient differentially private algorithms for estimating monotone statistics, i.e., statistics that are monotone under the addition of new observations. The starting poi…

cs.LG2025

Tukey Depth Mechanisms for Practical Private Mean Estimation

Gavin Brown, Lydia Zakynthinou

Mean estimation is a fundamental task in statistics and a focus within differentially private statistical estimation. While univariate methods based on the Gaussian mechanism are w…

cs.LG2024★ 1 cited

Insufficient Statistics Perturbation: Stable Estimators for Private Least Squares

Gavin Brown, Jonathan Hayase, Samuel Hopkins +5

We present a sample- and time-efficient differentially private algorithm for ordinary least squares, with error that depends linearly on the dimension and is independent of the con…

cs.LG2023

Metalearning with Very Few Samples Per Task

Maryam Aliakbarpour, Konstantina Bairaktari, Gavin Brown +3

Metalearning and multitask learning are two frameworks for solving a group of related learning tasks more efficiently than we could hope to solve each of the individual tasks on th…

cs.LG2023★ 3 cited

Fast, Sample-Efficient, Affine-Invariant Private Mean and Covariance Estimation for Subgaussian Distributions

Gavin Brown, Samuel B. Hopkins, Adam Smith

We present a fast, differentially private algorithm for high-dimensional covariance-aware mean estimation with nearly optimal sample complexity. Only exponential-time estimators we…

cs.LG2022★ 1 cited

Strong Memory Lower Bounds for Learning Natural Models

Gavin Brown, Mark Bun, Adam Smith

We give lower bounds on the amount of memory required by one-pass streaming algorithms for solving several natural learning problems. In a setting where examples lie in …

cs.LG2021★ 11 cited

Covariance-Aware Private Mean Estimation Without Private Covariance Estimation

Gavin Brown, Marco Gaboardi, Adam Smith +2

We present two sample-efficient differentially private mean estimators for -dimensional (sub)Gaussian distributions with unknown covariance. Informally, given …

cs.LG2020★ 35 cited

When is Memorization of Irrelevant Training Data Necessary for High-Accuracy Learning?

Gavin Brown, Mark Bun, Vitaly Feldman +2

Modern machine learning models are complex and frequently encode surprising amounts of information about individual inputs. In extreme cases, complex models appear to memorize enti…

cs.LG2020★ 12 cited

Performative Prediction in a Stateful World

Gavin Brown, Shlomi Hod, Iden Kalemaj

Deployed supervised machine learning models make predictions that interact with and influence the world. This phenomenon is called performative prediction by Perdomo et al. (ICML 2…