Author

G. Zamir

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Preprint Oct 2026

Closing the Log Gap: Minimax-Optimal Regret for Episodic RL

This paper introduces a variant of UCBVI which does not maintain strictly optimistic estimates, and uses MOSS-style exploration bonuses whose logarithmic terms adapt to both visit counts and estimated variances, and develops time-uniform and variance-aware concentration bounds that may be of independent interest.

G. Zamir, Victor Boone, M. Zurek et al. · 0 citations