Publications

2026

  1. Algorithmic approaches for identifying the trade-off between pessimism and optimism in a stochastic fixed charge facility location problem
    Man Yiu Tsang and Karmel S. Shehadeh
    INFORMS Journal on Optimization, 2026
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  2. Operating room-to-downstream elective surgery planning under uncertainty
    Karmel S. Shehadeh, Man Yiu Tsang, Rema Padman, and 1 more author
    European Journal of Operational Research, 2026
    Awarded HTML

2025

  1. A unified framework for analyzing and optimizing a class of convex inequity measures
    Man Yiu Tsang and Karmel S. Shehadeh
    Operations Research, 2025
    Awarded HTML
  2. On the trade-off between distributional belief and ambiguity: Conservatism, finite-sample guarantees, and asymptotic properties
    Man Yiu Tsang and Karmel S. Shehadeh
    INFORMS Journal on Optimization, 2025
    Awarded HTML
  3. Adaptive robust online portfolio selection
    Man Yiu Tsang, Tony Sit, and Hoi Ying Wong
    European Journal of Operational Research, 2025
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2024

  1. Stochastic programming models for a fleet sizing and appointment scheduling problem with random service and travel times
    Shutian Li, Karmel S. Shehadeh, and Man Yiu Tsang
    Transportation Research Part C: Emerging Technologies, 2024
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  2. Stochastic optimization approaches for the anesthesiologists and operating rooms assignment problem
    Man Yiu Tsang, Karmel S. Shehadeh, Frank E. Curtis, and 2 more authors
    Operations Research, 2024
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2023

  1. An inexact column-and-constraint generation method to solve two-stage robust optimization problems
    Man Yiu Tsang, Karmel S. Shehadeh, and Frank E. Curtis
    Operations Research Letters, 2023
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  2. Stochastic optimization models for a home service routing and appointment scheduling problem with random travel and service times
    Man Yiu Tsang and Karmel S. Shehadeh
    European Journal of Operational Research, 2023
    Awarded HTML

2022

  1. Robust portfolio optimization with respect to spectral risk measures under correlation uncertainty
    Man Yiu Tsang, Tony Sit, and Hoi Ying Wong
    Applied Mathematics and Optimization, 2022
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Submitted and Working Papers

  1. Contextual quantile minimization for two-stage stochastic programs
    Man Yiu Tsang, Tony Sit, and Hoi Ying Wong
    Submitted, 2025
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  2. Integrated planning of drone-based disaster relief: Facility location, inventory prepositioning, and fleet operations under uncertainty
    Yuyang Ma, Karmel S. Shehadeh, and Man Yiu Tsang
    Submitted, 2025
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