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Chol-Kyoon Cho

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#small language model Preprint Aug 2026

Minimax Optimality of Score-Entropy Discrete Diffusion

This work establishes a minimax lower bound under the score-entropy loss, and proposes an MLE-based thresholding estimator that matches this lower bound up to constant and polylogarithmic factors that depend on neighboring density ratios.

Chol-Kyoon Cho, Yuchen Wu · 2 citations