Hengqing YE, PhD (HKUST 2000)

Professor

Dept of Logistics and Maritime Studies

Faculty of Business, Hong Kong Polytechnic University

Hung Hom, Hong Kong

Email: {hq.ye, lgtyehq}@polyu.edu.hk

Teaching

• Management Science, Simulation for Decision-Making, Finance for Shipping and Logistics, Operations Research Models, Supply Chain Management, Operations Management

Research Interests

• Stochastic modeling; Analytics applications in healthcare research, logistics management and investment analysis

Publications

1. Ye H.Q. (2025). Optimal Routing to Parallel Servers in Heavy Traffic. Operations Research, 73, No.1, 483-509. (link)

2. Ting Zhu, Di Mu, Yao Hu, Yang Cao, Minlan Yuan, Jia Xu, Heng-Qing Ye* and Wei Zhang*. (2024). Association of clinical phenotypes of depression with comorbid conditions, treatment patterns and outcomes: a 10-year region-based cohort study. Translational Psychiatry, 14(1), 504. (link)

3. Chihoon Lee, Amy R. Ward, Heng-Qing Ye. (2021). Stationary Distribution Convergence of the Offered Waiting Processes in Heavy Traffic under General Patience Time Scaling.  Queueing Systems: Theory and Applications, 99(3-4), 283-303. (preprint version) 

4. Ye H.Q. and D.D. Yao. (2021). Diffusion Approximations for Fair Resource Control – Interchange of Limits under a Moment Condition. Mathematics of Operations Research, 46, No. 3, 869-894. (link) 

5. Yang J.K, D.D. Yao and H.Q. Ye. (2020). On the Optimality of Reflection Control. Operations Research, 68, No. 6, 1668-1677. ( link ) 

6. Chihoon Lee, Amy R. Ward, Heng-Qing Ye. (2020). Stationary Distribution Convergence of the Offered Waiting Processes for GI/GI/1+GI Queues in Heavy Traffic. Queueing Systems: Theory and Applications, 94(1), 147-173. ( preprint ) 

7. Ting Zhu, Peng Liao, Li Luo, and Heng-Qing Ye. (2020). Data-Driven Models for Capacity Allocation of Inpatient Beds in a Chinese Public Hospital. Computational and Mathematical Methods in Medicine, Volume 2020, Article ID 8740457, 1-13. ( link ) 

8. Ye H.Q. and D.D. Yao. (2018). Justifying Diffusion Approximations for Multiclass Queueing Networks under A Moment Condition. Annals of Applied Probability, 28, No. 6, 3652-3697. (link;  link) 

9. Ye H.Q. and D.D. Yao. (2016). Diffusion Limit of Fair Resource Control---Stationarity and Interchange of Limits. Mathematics of Operations Research, 41, No. 4, 1161-1207. (link ) 

10. Chen H. and H.Q. Ye. (2016). An Examination of Some Factory Physics Principles. Journal of the Operations Research Society of China, 4, No.2, 131-145. (link)

11. Stephen Gong, Hengqing Ye, Yvonne Yiyi Zeng. (2013). Impacts of the Recent Financial Crisis on Ship Financing in Hong Kong: A Research Note. Maritime Policy and Management, 40:1, 1-9. ( link ) 

12. Ye H.Q. and D.D. Yao. (2012). A Stochastic Network under Proportional Fair Resource Control -- Diffusion Limit with Multiple Bottlenecks. Operations Research, 60, No. 3, 716-738. (preprint)

13. Chen H. and Ye H.Q. Asymptotic Optimality of Balanced Routing. Operations Research, 60, No. 1, 163-179. (PDF)  

14. Chen H. and H.Q. Ye. (2010). Methods in Diffusion Approximation for Multi-Server Systems: Sandwich, Uniform Attraction and State-Space Collapse. In Queueing networks: A fundamental approach, Nico M. van Dijk and Richard Boucherie (eds.), Springer-Verlag, Berlin, page 217-258. (to appear). (PDF)  

15. Ye H.Q. and David D. Yao. (2010). Utility-Maximizing Resource Control: Diffusion Limit and Asymptotic Optimality for a Two-Bottleneck Model, Operations Research, 56, No. 2, 453-470. (PDF)

16. Ye H.Q. and David D. Yao. (2008). Heavy Traffic Optimality of Stochastic Networks under Utility-Maximizing Resource Control, Operations Research, 56, No. 2, 453-470. (PDF)

17. Ang S.K., Cao C.X., M. Parlar, and H.Q. Ye. (2009). Two-stage stochastic integer programming model for multi-period sea cargo mix problem. IEEE Transactions on Systems, Man, and Cybernetics--Part A: Systems and Humans, 39, No.2, 460-465. (PDF/PS) 

18. Ye H.Q. (2007). A Paradox for Admission Control of Multiclass Queueing Network with Differentiated Service. Journal of Applied Probability, 44, No. 2, 321-331. (PDF/PS) 

19. Bai L.W., Liu H.C., Tsui K.L., and Ye H.Q. (2007). Reducing Bullwhip Effect in Supply Chains Using Control Variates. Quality Technology & Quantitative Management, 5, No.3, 221-241. (PDF/PS) 

20. Ang S.K., Cao C.X., and Ye H.Q. (2007). Model and algorithm for multi-period sea cargo mix problem. European Journal of Operational Research, 180, 1381–1393. (PDF/PS) 

21. M.C. Chou, H.Q. Ye, X.M. Yuan, Y.N. Cheng, L. Chua, Y. Guam, S.E. Lee, Y.C. Tay, Analysis of a Software-Focused Products and Service Supply Chain, IEEE Transactions on Industrial Informatics, Vol. 2, No. 4, 295-302, 2006. (PDF/PS) 

22. Ye H.Q., Ou J., and Yuan X.M. (2005). Stability of Data Networks: Stationary and Bursty Model. Operations Research, 53, No. 1, 107-125. (PDF)  

23. Ye, H.Q. (2003). Stability of Data Networks Under An Optimization-Based Bandwidth Allocation. IEEE Transactions on Automatic Control, 48, No. 7, 1238-1242. (PDF) 

24. Chen H. and Ye H.Q. (2002). Piecewise Linear Lyapunov Function for the Stability of Priority Multiclass Queueing Networks. IEEE Transactions on Automatic Control, 47, No. 4, 564-575. (PS) 

25. Chen H. and Ye H.Q. (2001). Existence Condition for the Diffusion Approximations of Priority Multiclass Queueing Networks, Queueing Systems, Theory and Applications, 38, 435-470. (PDF) 

26. Ye H.Q. and Chen H. (2001). Lyapunov Method for the Stability of Fluid Networks. Operations Research Letters, 28, 125-136. (PDF) 

27. Ye, H.Q. and Tang, Z.B. (2001). Partitioned Random Search for Global Optimization with Sampling Cost and Discounting Factor. Journal of Optimization Theory and Applications, 110, 445-455. (PDF/PS)

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