Weijun XIE
Professor, Department of Data Science; Professor, Department of Systems Engineering · CityUHK Scholars (Profiles) · City University of Hong Kong
Quick answer: Weijun XIE is Professor, Department of Data Science; Professor, Department of Systems Engineering at City University of Hong Kong. Weijun XIE shows an active PhD hiring signal as of 2026-10-19.
⭐ Accepting PhD Students
Research interests
Theory and Applications of Stochastic, Discrete, and Convex Optimization, with Applications in Machine Learning, Logistics, Healthcare, Risk Management, and Data-driven Decision-making
Selected publications (since 2023)
[2026] Closing the Gap: Efficient Algorithms for Discrete Wasserstein Barycenters. Wang, J. & Xie, W. 2026, Integer Programming and Combinatorial Optimization: 27th International Conference, IPCO 2026, Proceedings. Dey, S. S., Summa, M. D. & Salvagnin, D. (eds.). 1 ed. Springer, Cham, p. 507-520, 14 p. (Lecture Notes in Computer Science; vol. 16588 LNCS).
[2026] Data-driven joint optimization of maintenance and spare parts provisioning: A distributionally robust approach. Rozas, H., Xie, W., Gebraeel, N. & Robinson, S. 1 Jan 2026, European Journal of Operational Research, 328(1), p. 122-136, 15 p.
[2026] On the partial convexification for low-rank spectral optimization: rank bounds and algorithms. Li, Y. & Xie, W. Mar 2026, Mathematical Programming, 216(1-2), p. 651-708, 58 p.
[2026] Real-
Frequently asked questions
Is Weijun XIE hiring PhD students at City University of Hong Kong?
Yes. As of 2026-10-19, Weijun XIE's faculty page shows a PhD hiring signal: Accepting PhD Students.
What does Weijun XIE research?
Theory and Applications of Stochastic, Discrete, and Convex Optimization, with Applications in Machine Learning, Logistics, Healthcare, Risk Management, and Data-driven Decision-making
Data last updated: 2026-10-19 · Source: phd-match.com faculty database.
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