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05/22/2023
Gradient Descent Monotonically Decreases the Sharpness of Gradient Flow Solutions in Scalar Networks and Beyond
Recent research shows that when Gradient Descent (GD) is applied to neur...
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04/27/2023
DataComp: In search of the next generation of multimodal datasets
Large multimodal datasets have been instrumental in recent breakthroughs...
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01/01/2023
ReSQueing Parallel and Private Stochastic Convex Optimization
We introduce a new tool for stochastic convex optimization (SCO): a Rewe...
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11/28/2022
Malign Overfitting: Interpolation Can Provably Preclude Invariance
Learned classifiers should often possess certain invariance properties m...
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06/17/2022
RECAPP: Crafting a More Efficient Catalyst for Convex Optimization
The accelerated proximal point algorithm (APPA), also known as "Catalyst...
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05/30/2022
Optimal and Adaptive Monteiro-Svaiter Acceleration
We develop a variant of the Monteiro-Svaiter (MS) acceleration framework...
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05/04/2022
Making SGD Parameter-Free
We develop an algorithm for parameter-free stochastic convex optimizatio...
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03/24/2022
Distributionally Robust Optimization via Ball Oracle Acceleration
We develop and analyze algorithms for distributionally robust optimizati...
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03/10/2022
Model soups: averaging weights of multiple fine-tuned models improves accuracy without increasing inference time
The conventional recipe for maximizing model accuracy is to (1) train mu...
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02/13/2022
Scaling Laws Under the Microscope: Predicting Transformer Performance from Small Scale Experiments
Neural scaling laws define a predictable relationship between a model's ...
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07/09/2021
Accuracy on the Line: On the Strong Correlation Between Out-of-Distribution and In-Distribution Generalization
For machine learning systems to be reliable, we must understand their pe...
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06/29/2021
Never Go Full Batch (in Stochastic Convex Optimization)
We study the generalization performance of full-batch optimization algor...
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06/17/2021
Stochastic Bias-Reduced Gradient Methods
We develop a new primitive for stochastic optimization: a low-bias, low-...
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05/04/2021
Thinking Inside the Ball: Near-Optimal Minimization of the Maximal Loss
We characterize the complexity of minimizing max_i∈[N] f_i(x) for convex...
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10/12/2020
Large-Scale Methods for Distributionally Robust Optimization
We propose and analyze algorithms for distributionally robust optimizati...
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09/17/2020
Coordinate Methods for Matrix Games
We develop primal-dual coordinate methods for solving bilinear saddle-po...
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06/24/2020
Second-Order Information in Non-Convex Stochastic Optimization: Power and Limitations
We design an algorithm which finds an ϵ-approximate stationary point (wi...
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03/18/2020
Acceleration with a Ball Optimization Oracle
Consider an oracle which takes a point x and returns the minimizer of a ...
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12/05/2019
Lower Bounds for Non-Convex Stochastic Optimization
We lower bound the complexity of finding ϵ-stationary points (with gradi...
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07/03/2019
Variance Reduction for Matrix Games
We present a randomized primal-dual algorithm that solves the problem _x...
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05/31/2019
Unlabeled Data Improves Adversarial Robustness
We demonstrate, theoretically and empirically, that adversarial robustne...
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03/07/2019
A Rank-1 Sketch for Matrix Multiplicative Weights
We show that a simple randomized sketch of the matrix multiplicative wei...
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05/26/2016
