3 papers
cs.GT2026
Tight Regret Bounds for Fixed-Price Bilateral Trade
Houshuang Chen, Yaonan Jin, Pinyan Lu +1
We examine fixed-price mechanisms in bilateral trade through the lens of regret minimization. Our main results are twofold. (i) For independent values, a near-optimal $\widetildeÎ…
cs.GT2026
The Query Complexity of Uniform Pricing
Houshuang Chen, Yaonan Jin, Pinyan Lu +1
Real-world pricing mechanisms are typically optimized using training data, a setting corresponding to the \textit{pricing query complexity} problem in Mechanism Design. The previou…
cs.LG2025
On the Problem of Best Arm Retention
Houshuang Chen, Yuchen He, Chihao Zhang
This paper presents a comprehensive study on the problem of Best Arm Retention (BAR), which has recently found applications in streaming algorithms for multi-armed bandits. In the…