Personal profile
Research interests
Mathematics & Statistics - Reinforcement Learning
Mathematics & Statistics - Stochastic Optimization
Business & Economics - Service Operations Management
Business & Economics - FinTech
Position Held
Program Director of MSc in Financial Technology
Related documents
Education/Academic qualification
PhD in Management Science and Engineering, PhD, Stanford University
2011
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 8 Decent Work and Economic Growth -
SDG 9 Industry, Innovation, and Infrastructure
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Collaborations and top research areas from the last five years
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Enhancing Hong Kong's Role in Sustainable Supply Chain Finance via Technology Transformation
LIU, G. (CoPI), YAN, H. (CoPI), QI, X. (CoPI), LYU, G. (CoPI), ZHENG, S. (CoPI), LIU, J. (CoPI), ZHANG, J. (PI), QI, J. (CoPI), LI, J. (CoPI), JIANG, J. (CoPI), LUO, Y. (CoPI), LI, J. (CoPI), WANG, L. (CoPI), CHEN, K. (CoPI), DAI, M. (CoPI), LIU, Q. (CoPI), SO, H. Y. R. (CoPI), ZHAN, R. (CoPI), ZHANG, R. Q. (CoPI), JIANG, W. (CoPI), ZHANG, X. (CoPI), WANG, Y. (CoPI) & SHEN, Y. (CoPI)
RGC - Theme-based Research Scheme
1/01/25 → 31/12/29
Project: Research
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Ranking and Selection with Covariates: Simulation for Contextual Decision-Making
HONG, J. L. (CoI) & ZHANG, X. (PI)
1/06/23 → 30/06/24
Project: Research
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High-dimensional Simulation Metamodeling: Theory and Applications
ZHENG, Z. (CoI) & ZHANG, X. (PI)
1/06/23 → 30/06/25
Project: Research
Research output
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Preface — Special Issue: Simulation in the AI Era — Advancing Complex Problem Solving
Li, H., Luo, J., Xu, J. & Zhang, X., 15 Nov 2025, In: Asia-Pacific Journal of Operational Research. 42, 6, 2502002.Research output: Contribution to journal › Review article › peer-review
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SPARKLE: A nonparametric approach for online decision-making with high-dimensional covariate
Wang, W., ZHANG, Q. & ZHANG, X., 2025, (Submitted).Research output: Working paper
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How Does Risk Hedging Impact Operations? Insights from a Price-Setting Newsvendor Model
Wang, L., Yao, J. & Zhang, X., Jul 2024, In: Management Science. 70, 7, p. 4912-4931 20 p.Research output: Contribution to journal › Journal Article › peer-review
3 Link opens in a new tab Citations (Scopus) -
Sample and Computationally Efficient Stochastic Kriging in High Dimensions
Ding, L. & Zhang, X., 1 Mar 2024, In: Operations Research. 72, 2, p. 660-683 24 p.Research output: Contribution to journal › Journal Article › peer-review
6 Link opens in a new tab Citations (Scopus) -
Smooth Nested Simulation: Bridging Cubic and Square Root Convergence Rates in High Dimensions
Wang, W., Wang, Y. & Zhang, X., Dec 2024, In: Management Science. 70, 12, p. 9031-9057 27 p.Research output: Contribution to journal › Journal Article › peer-review
6 Link opens in a new tab Citations (Scopus)
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Predicting Effects, Missing Distributions: Evaluating LLMs as Human Behavior Simulators in Operations Management
ZHANG, X. (Invited speaker)
28 Nov 2025Activity: Talk or presentation › Invited
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Dispersion Scaling, Taylor’s Law, and Alpha Staffing Principles
ZHANG, X. (Invited speaker)
14 Nov 2025Activity: Talk or presentation › Keynote
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Learning to Simulate via Quantile Regression
ZHANG, X. (Invited speaker)
9 Aug 2025Activity: Talk or presentation › Invited
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Statistical Inference for Weighted Sample Average Approximation in Contextual Stochastic Optimization
ZHANG, X. (Invited speaker)
1 Jul 2025Activity: Talk or presentation › Invited
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Finite-time Analysis of Adaptive Markovian Stochastic Approximation: Mean Squared Errors and Sharp Concentration Bounds
ZHANG, X. (Invited speaker)
30 Jun 2025Activity: Talk or presentation › Invited
Awards
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The 2025 Chinese Scholars Association for Management Science and Engineering (CSAMSE) Annual Conference Best Practice Award
Luo, J. (Recipient), Fan, W. (Recipient), Wang, T. (Recipient), ZHANG, X. (Recipient) & Zhao, J. (Recipient), Jul 2025
Prize: Best Paper Award and Prize
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