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Nika Haghtalab

2 papers indexed

arxivcs.LGcs.AIcs.GT2026-07-09

Provably Optimal Learning Algorithms for Assistance Games

Nivasini Ananthakrishnan, Mark Bedaywi, Michael I. Jordan, Stuart Russell, Nika Haghtalab

This paper studies an online variant of the assistance games framework, where an informed agent and an uninformed agent repeatedly interact over $T$ timesteps to optimize a common reward function. While the informed agent (the human) observes a latent state of the world, the unin…

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arxivcs.LG2026-06-25

Blackwell Approachability and Gradient Equilibrium are Equivalent

Brian W. Lee, Nika Haghtalab, Michael I. Jordan, Ryan J. Tibshirani

Gradient equilibrium (GEQ) is a recently introduced online optimization framework that generalizes first-order stationarity from offline optimization and abstracts problems like online conformal prediction. While GEQ has curious similarities with known online learning frameworks,…

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