Research Interests

Methodology

Decisions under Uncertainty and Distributionally Robust Optimization

Completely Positive and Co-positive Program

Optimization and Game Theory

Applications

Healthcare and Humanitarian Operations

Supply Chain Risk management

Process Flexibility

Innovative Business Models

Published Papers

Healthcare and Humanitarian Operations

Cheng, G., Gao, S. Y., Yuan, Y., Zhang, C., and Zheng, Z., 2022. Epidemic Model for COVID-19 Projections and Impact of Test Accuracy in Singapore. INFORMS Journal on Applied Analytics.[Link]

Supply Chain Risk Management

Gao, S.Y., Simchi-Levi, D., Teo, C.P., Yan, Z., 2019. Disruption Risk Mitigation in Supply Chains - The Risk Exposure Index Revisited. Operations Research. [Link]

Process Flexibility

Yan, Z., Gao, S.Y., and Teo, C.P., 2017. On the Design of Sparse but Efficient Structures in Operations. Management Science. [Link]

Innovative Business Models

Gao, S.Y., Lim, W.S. and Tang, C., 2016. Entry of Copycats of Luxury Brands. Marketing Science, 36(2), pp.272-289. [Link]
Gao, S.Y., Lim, W.S. and Tang, C., 2016. The Impact of the Potential Entry of Copycats: Entry Conditions, Consumer Welfare, and Social Welfare. Decision Sciences. [Link]
Gao, S.Y., Lim, W.S. and Ye, Z., 2022. Optimal Channel Strategy of Luxury Brands in the Presence of Online Marketplace and Counterfeits. European Journal of Operational Research. [Link]

Optimization

Gao, S.Y., Sun, J., and Wu, S. Y., 2016. A Semi-infinite Programming Approach to Two-stage Stochastic Linear Programs with High-order Moment Constraints. Optimization Letters, pp.1-11. [Link]
Gao, S.Y., Kong, L. and Sun, J., 2014. Robust Two-stage Stochastic Linear Programs with Moment Constraints. Optimization, 63(6), pp.829-837. [Link]

Healthcare and Humanitarian Operations

Gao, S. Y., Teo, C.P., and Zheng, H., Homeland Security Games: The Value of Flexible Redeployment. Major Revision in Operations Research.
Zhu., T., Yeo, N., Gao, S. Y., and Loke, G., Inventory-Responsive Donor Management Policy: A Tandem Queueing Network Model. Minor Revision in Manufacturing & Service Operations Management. [Link]
Bandi, C., Gao, S. Y., Moorthy, R., and Teo, C. P., Vaccine Appointment Scheduling: The Second Dose Challenge. under review. [Link]
Gao, S. Y., Lyu, G., and Bi, S., Post-Disaster Humanitarian Logistics Planning: A Time-to-Survive Framework. under review.
Gao, S. Y., He, Y., Zhang, R., and Zheng, Z., Optimizing Initial Screening for Colorectal Cancer Detection with Adherence Behavior. under review. [Link]
- POMS HK 2022 Best Student Paper Competition, 1st Place.
Disaster Relief Resource Pre-position and Redeployment Facing an Adversarial Nature. under preparation. (With Chung-Piaw Teo and Huan Zheng)
On the Adherence of Colorectal Cancer Screening Policies – A Survey Study in Singapore. under preparation. (With Nicholas Yeo, Yan He, and Zhichao Zheng)

Optimization and Game Theory

Data-Driven Robust Incomplete Information Games and Bounded Rationality. under preparation. (With Chung-Piaw Teo)

Innovative Business Models

Lu, L., Fang, X., Gao, S.Y., Kazaz, B., Collaborating with the Enemy? Sourcing Decisions in the Presence of Potential Counterfeiters. under review. [Link]
Palsule-Desai, D.O, Gao, S.Y., and Teo, C.P., Intermediary Agri-Service Providers with Co-Production: The Impact of Farm Size on Performance. under review.
Manufacturing Flexibility Investment in the Presence of Subscription Programs. under preparation. (With Onur Boyabatli and Liling Lu)