Author

Mengxiao Zhang

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#machine learning Preprint Sep 2026

Optimal Nonparametric Dynamic Pricing with Censored Demand and Adversarial Inventory

Threshold-UCB is developed, which improves the expected regret to $\widetilde{\mathcal{O}}(T^{2/3})$ and reuses sales observations across inventory levels through shared estimates of demand-tail probabilities, allowing the same data to support revenue upper bounds for multiple inventories rather than a single inventory...

Meng-Xiao Zhang, Ying-Fei Wang, Hai-Peng Luo · 0 citations

Preprint Aug 2026

Toward Optimal Second-Order Path-Length Guarantee for Adversarial Multi-Armed Bandits

An algorithm is designed that achieves second-order path-length regret in adversarial $K$-armed bandits against oblivious loss sequences using an adaptive restart scheme whose path-length estimator has uniformly bounded increments.

Meng-Xiao Zhang · 0 citations