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Author

Jiheng Zhang

3 papers indexed here

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#machine learning Preprint Sep 2026

Quality-Constrained Routing over a Fixed Pool of Quantized Mixture-of-Experts Instances

This work introduces FWP (Fragility-Weighted Perplexity), computed from prompt tokens on a reference-instance prefill and calibrated to candidate-instance degradation, and yields a signed reduced-reward score that is KKT-consistent with the LP optimum under optimal prices and primal-feasible tie allocation.

Zheng-Hong Huang, Hong-Fan Wu, Ji-Heng Zhang · 0 citations
#machine learning Conference Open access Sep 2026

Learning to Price and Stock Under Contextual and Censored Demand

This work proposes an efficient algorithm to achieve regret bound O(K sqrt(T) log T) under concave revenue conditions and O(K^(2/3) T^(2/3) (log T)^(1/2) for the general case, with matching lower bounds confirming optimality.

Ze-An Han, Ze-Zhen Ding, Ji-Heng Zhang · 1 citation

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