Search Results for author: Justin D. Li

Found 3 papers, 0 papers with code

On Achieving Optimal Adversarial Test Error

no code implementations13 Jun 2023 Justin D. Li, Matus Telgarsky

We first elucidate various fundamental properties of optimal adversarial predictors: the structure of optimal adversarial convex predictors in terms of optimal adversarial zero-one predictors, bounds relating the adversarial convex loss to the adversarial zero-one loss, and the fact that continuous predictors can get arbitrarily close to the optimal adversarial error for both convex and zero-one losses.

Early-stopped neural networks are consistent

no code implementations NeurIPS 2021 Ziwei Ji, Justin D. Li, Matus Telgarsky

This work studies the behavior of shallow ReLU networks trained with the logistic loss via gradient descent on binary classification data where the underlying data distribution is general, and the (optimal) Bayes risk is not necessarily zero.

Binary Classification

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