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Sagnik Chatterjee

3 accepted papers

2026

Convex Basins in Single-Index Model Loss Landscapes: Applications to Robust Recovery under Strong Adversarial Corruption

ICML 2026poster

In this paper, we tackle a fundamental problem in high-dimensional statistics, namely, learning Single Index Models (SIMs) robustly in the presence of heavy-tailed noise and an adversary that can corrupt a constant fraction of both covariates and responses. Prior research on efficient robust recover…

Cited by 0SourceScholar
2025

Generalization Bounds for Dependent Data using Online-to-Batch Conversion.

AISTATS 2025poster

In this work, we give generalization bounds of statistical learning algorithms trained on samples drawn from a dependent data source both in expectation and with high probability, using the Online-to-Batch conversion paradigm. We show that the generalization error of statistical learners in the depe…

Cited by 0SourceScholar
2024

Efficient Quantum Agnostic Improper Learning of Decision Trees

AISTATS 2024poster

The agnostic setting is the hardest generalization of the PAC model since it is akin to learning with adversarial noise. In this paper, we give a poly $(n, t, 1/\epsilon)$ quantum algorithm for learning size $t$ decision trees over $n$-bit inputs with uniform marginal over instances, in the agnostic…

Cited by 1SourcePDFScholar