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math.OC2026
Selective Ambulance Dispatch Under Contextual Travel-Time Uncertainty
Zikun Lin, Daniel Zhuoyu Long, Viet Anh Nguyen
Ambulance response is time-critical in out-of-hospital cardiac arrest (OHCA), where dispatchers must balance timely arrivals with limited fleet capacity. Static territories and det…
math.OC2026
From Optimization to Satisficing: Robust Screening under Distributional Ambiguity
Shumin Ma, Daniel Zhuoyu Long, Lijian Lu
This study investigates a robust screening problem under distributional ambiguity, where a seller is uncertain about a buyer's true valuation distribution, knowing only that it lie…
math.OC2024
Asymptotically Optimal Distributionally Robust Solutions through Forecasting and Operations Decentralization
Yue Lin, Daniel Zhuoyu Long, Viet Anh Nguyen +1
Two-stage risk-averse distributionally robust optimization (DRO) problems are ubiquitous across many engineering and business applications. Despite their promising resilience, two-…