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

Zhu., T., Yeo, N., Gao, S. Y., and Loke, G., 2023. Inventory-Responsive Donor Management Policy: A Tandem Queueing Network Model. Manufacturing & Service Operations Management. [Link]
Cheng, G., Gao, S. Y., Yuan, Y., Zhang, C., and Zheng, Z., 2022. On the Test Accuracy and Effective Control of the COVID-19 Pandemic: A Case Study in Singapore. INFORMS Journal on Applied Analytics, 52(6), pp.524-538. [Link]

Supply Chain 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]
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, 308(2), pp.709-721.[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., He, Y., Zhang, R., and Zheng, Z., Optimizing Initial Screening for Colorectal Cancer Detection with Adherence Behavior. Minor Revision in Management Science. [Link]
- POMS HK 2022 Best Student Paper Competition, 1st Place.
Gao, S. Y., Teo, C.P., and Zheng, H., Homeland Security Games: The Value of Flexible Redeployment. Major Revision in Operations Research.
Bandi, C., Gao, S. Y., Moorthy, R., Tan, B. K., and Teo, C. P., Optimal Scheduling and Policy Design of Two-Dose Vaccination Rollout. under review. [Link]
- Previously distributed by the title "Vaccine Appointment Scheduling: The Second Dose Challenge."
Gao, S. Y., Lyu, G., and Bi, S., Post-Disaster Humanitarian Logistics Planning: A Time-to-Survive Framework. under review.
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)
Rethinking Appointment Scheduling: Addressing Counselor Burnout and Improving Patient Outcomes. under preparation. (With Kejia Hu, Yuchen Liang, and Chung-Piaw Teo)

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., Converting Counterfeiters in Emerging Markets to Authorized Suppliers: A New Anti-counterfeiting Measure. Major Revision in Production and Operations Management. [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)