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07/25/2023
Computational Guarantees for Doubly Entropic Wasserstein Barycenters via Damped Sinkhorn Iterations
We study the computation of doubly regularized Wasserstein barycenters, ...
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06/29/2023
Local Risk Bounds for Statistical Aggregation
In the problem of aggregation, the aim is to combine a given class of ba...
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02/23/2022
Exponential Tail Local Rademacher Complexity Risk Bounds Without the Bernstein Condition
The local Rademacher complexity framework is one of the most successful ...
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02/25/2021
Distribution-Free Robust Linear Regression
We study random design linear regression with no assumptions on the dist...
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09/19/2020
Suboptimality of Constrained Least Squares and Improvements via Non-Linear Predictors
We study the problem of predicting as well as the best linear predictor ...
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02/01/2020
The Statistical Complexity of Early Stopped Mirror Descent
Recently there has been a surge of interest in understanding implicit re...
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09/11/2019