Qi-Ming HE's Research Interests

Main Research Interests

1. Applied Probability

1.1 Algorithmic probability
1.2 Special stochastic processes
1.3 Matrix analytic methods

2. Operations Research

2.1 Modelling of stochastic systems (Telecommunications Networks and Manufacturing Systems)
2.2 Queueing theory and its applications
2.3 Inventory theory and its applications
2.4 Design of manufacturing systems

My current research project is supported by NSERC. Research topics are:

1) Representations of phase-type distribuitons
2) Design of queueing systems with multiple types of customers
3) Design of inventory systems with multiple-item demands

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Publications

Books, Special Volumes, and Proceedings

  1. He, Qi-Ming. Fundamentals of Matrix-Analytic Methods , Springer, New York, 2014 (The book has been published as of August 1, 2013)
  2. Matrix-Analytic Methods in Stochastic Models: Proceedings of the Ninth International Conference on Matrix-Analytic Methods in Stochastic Models. Co-editors: He, Qi-Ming, Gabor Horvath, and Miklos Telek. June, 2016, Budapest, Hungary.
  3. Special Volume co-edited: Annals of Operations Research, Vol 160, Editor in chief: Endre Boros; Guest Editors: Qi-Ming He, Tetsuya Takine, Peter Taylor, and Hanqin Zhang.

Papers

  1. Wu, Haoran, and Qi-Ming He (2023) Optimizing Erlangization-based approximation for finite discrete distributions and discrete phase-type distributions. Stochastic Models (accepted) (FullText)
  2. He, Qi-Ming, Baoliang Liu, and Haoran Wu (2022) Continuous Approximations of Discrete Phase Type Distributions and their Applications to Reliability Models. Performance Evaluation , Vol 154, Article 102284. (FullText)
  3. He, Qi-Ming (2021) Bounds on the Mean and Squared Coefficient of Variation of Phase-Type Distributions. Journal in Applied Probability, Vol 58, 880-889. (FullText)
  4. Wu, Haoran and Qi-Ming He (2021) Double-Sided Queues with Marked Markovian Arrival Processes and Abandonment. Stochastic Models , Vol 37 (1), 23-58. (FullText)
  5. He, Qi-Ming, James H. Bookbinder, and Qishu Cai (2020) Optimal Policies for Stochastic Clearing Systems with Time-Dependent Delay Penalties. Naval Research Logistics , Vol 67 487-502. (FullText)
  6. Zhang, Hao, Qi-Ming He, Xiaobo Zhang (2020) Balancing Herding and Congestion in Service Systems: A Queueing Perspective. INFOR , Vol 58 (3), 511-536. (FullText)
  7. He, Qi-Ming and Haoran Wu (2020) Multi-Layer MMFF Processes and the MAP/PH/K+GI Queue: Theory and Algorithms. Queueing Models and Service Management , Vol 3 (1), 37 – 87. (FullText)
  8. He, Qi-Ming (2019) Matrix-Analytic Methods – An algorithmic approach to stochastic modelling and analysis. Chapter 8 in Optimization in Large Scale Problems, Springer Optimization and Its Applications 152 . Eds. M. Fathi, M. Khakifirooz, P.M. Pardalos. Springer Nature Switzerland AG 2019. 41-45. (FullText)
  9. He, Qi-Ming, Gabor Horvath, Illes Horvath, Miklos Telek (2019) Moment bounds of PH distributions with infinite or finite support based on the steepest increase property. Advances in Applied Probability , Vol 51, 168-183. (FullText)
  10. Chen Di, Stanko Dimitrov, and Qi-Ming He (2019) Incentive compatibility in prediction markets: costly actions and external incentives. International Journal of Forecasting , Vol 35 (1), 351-370. (FullText)
  11. Almehdawe, Eman, Beth Jewkes, and Qi-Ming He (2019) Optimization in a Two-stage Multi-server Service System with Customer Priorities. Journal of Operational Research Society , Vol 70 (2), 326-337 (DOI: 10.1080/01605682.2018.1438762) (FullText)
  12. He, Qi-Ming, Hao Zhang, and Qingqing Ye (2018). An M/PH/K Queue with Constant Impatient Time. Mathematical Methods of Operations Research, Vol 87, 139-168. (FullText)
  13. He, Qi-Ming and Attahiru Sule Alfa (2018). Space Reduction for a Class of Multi-dimensional Markov Chains: A Summary and Some Applications. INFORMS Journal on Computing, Vol 30 (1), 1-10. (FullText)
  14. Alfa, Attahiru Sule and Qi-Ming He (2017). Point of Queue Size Change Analysis of the PH/PH/k with Heterogeneous Servers, Operations Research Letters, Vol 45 (6), 581-584. (FullText)
  15. Li, Xia, Qi-Ming He, and Attahiru S. Alfa (2017). Optimal Control of State-Dependent Service Rates in a MAP/M/1 Queue. IEEE Transactions of Automatic Control, Vol 62 (10), 4965 - 4979. (FullText)
  16. He, Qi-Ming and Jiandong Ren (2016). Parameter Estimation of Discrete Multivariate Phase-Type Distributions, Methodology and Computing in Applied Probability, Vol 18 (3), 629-651. (FullText)
  17. Almehdawe, Eman, Beth Jewkes, and Qi-Ming He (2016). Analysis and Optimization of an Ambulance Offload Delay and Allocation Problem, OMEGA: The International Journal of Management Science , Vol 65, 148-158. (FullText)
  18. He, Qi-Ming and Jiandong Ren (2016). Analysis of a Multivariate Claim Process. Methodology and Computing in Applied Probability, 18, 257-273. (FullText)
  19. Li, Qing, Qi-Ming He, and Xiaoli Wu (2016). Timing Order Fulfilment of Capital Goods under a Constrained Capacity, Annals of Operations Research . Vol 241 (1), 431-456. (FullText)
  20. He, Qi-Ming and Attahiru Sule Alfa (2015). Construction of Markov chains for discrete time MAP/PH/K queues. Performance Evaluation. Vol 93, 17-26. (Preprint)
  21. Chao, Xiuli, Qi-Ming He, and Sheldon Ross (2015). Tollbooth tandem queues with infinite homogeneous servers. Journal of Applied Probability, Vol 52, 941-961. (FullText)
  22. Cai, Qishu, Qi-Ming He, and James Bookbinder (2014). A tree-structured Markovian model of the shipment consolidation process, Stochastic Models , 30 (4): 521-553. (FullText)
  23. He, Qi-Ming and Xiuli Chao (2014). A Tollbooth Tandem Queue with Heterogeneous Servers. European Journal of Operational Research, Vol 236, 177-189. (FullText)
  24. Huang, Boray, Jingui Xie, and Qi-Ming He (2014). Service systems with learning and quitting behaviors of service agent. IEEE Transactions on Automatic Control, 59 (3): 703-713. (FullText)
  25. Tai, Yongming and Qi-Ming He (2013). Logarithmic Asymptotics for the GI/G/1-type Markov Chains and their Applications to the BMAP/G/1 Queue with Vacations. INFOR, 51 (2): 92-102. (FullText)
  26. He, Qi-Ming and Hanqin Zhang (2013). Performance analysis of an inventory-production system with shipment consolidation in the production facility. Performance Evaluation, SI: Matrix-Analytic Methodology. 79 (9), 623-638. (FullText)
  27. Almehdawe, E., Jewkes, E., and Qi-Ming He (2013), A Markovian queueing model for ambulance offload delays. European Journal of Operational Research, 226 (3), 602-614. (FullText)
  28. He, Qi-Ming, Hanqin Zhang, and Juan Vera (2013), Majorization and extremal PH-distributions, In Matrix-Analytic Methods in Stochastic Models, Editors: Latouche, G., V. Ramaswami, J. Sethuraman, K. Sigman, M.S. Squillante, and D.D. Yao. Springer Proceedings in Mathematics & Statistics, Springer, 107-121 (FullText)
  29. He, Qi-Ming and Alireza A. Chavoushi (2013), Analysis of a queueing system with customer interjection. Qeueueing Systems, 73, 79-104. (FullText)
  30. He, Qi-Ming, Hanqin Zhang, and Juan Vera (2012), On Some Properties of Bivariate Exponential Distributions, Stochastic Models, Vol 28, 187-206. (FullText)
  31. He, Qi-Ming, Jingui Xie, and Xiaobo Zhao (2012), Priority Queue with Customer Upgrades, Naval Research Logistics, Vol 59, 362-375. (long version) (Working paper #09-01, 2009, Department of Industrial Engineering, Dalhousie University) (FullText)
  32. Zhao, X.B., M. Qiu, J. Xie, and Qi-Ming He (2012), Computing (r, Q) Policies for an Inventory System with Limited and Sharable Resource. Computer and Operations Research, Vol 39, 2368-2379.
  33. He, Qi-Ming (2012), Analysis of a Continuous Time SM[K]/PH[K]/1/FCFS Queue: Age Process, Sojourn Times, Waiting Times, and Queue Lengths, Journal of Systems Science and Complexity (JSSC), Vol 25, 133-155. (FullText)
  34. Bookbinder, J.H., Q.S. Cai, and Q.M. He (2011), Shipment Consolidation by Private Carrier: The Discrete Time and Discrete Quantity Case, Stochastic Models (Special Issue in honor of Marcel F. Neuts), Vol 27, 664-686. (FullText)
  35. He, Qi-Ming, Hanqin Zhang, and Jungong Xue (2011), Algorithms for Coxianization of PH-generators, INFORMS Journal on Computing, Vol 23 (1) 153-164. (FullText)
  36. Artalejo, J., A. Gomez-Corral, and Q.M. He (2010), Markovian arrivals in stochastic modelling: a survey and some new results, Statistics and Operations Research Transactions (SORT), Vol 34 (2), 101-144. (FullText)
  37. Fackrell, M., Q.M. He, P. Taylor, and H.Q. Zhang (2010), The Algebraic Degree of Phase-Type Distributions, Journal of Applied Probability, Vol 47, 611-629. (FullText)
  38. He, Qi-Ming (2010), Construction of continuous time Markovian arrival processes, Journal of System Science and System Engineering (JSSSE), Vol 19 (3), 351-366. (FullText) (Working paper #10-01, 2010, Department of Industrial Engineering, Dalhousie University.)
  39. Xie, Jingui, Qi-Ming He, and Xiaobo Zhao (2009), On the Stationary Distribution of the Queue Lengths in a Multi-Class Priority Queueing System with Customer Transfers, Queueing Systems, Vol 62, 255-277. (FullText) (Working paper #08-03, 2008, Department of Industrial Engineering, Dalhousie University)
  40. He, Qi-Ming and Hanqin Zhang (2009), Coxian representations of generalized Erlang distributions, Acta Mathematicae Applicatae Sinica, Vol 25, No.3, 487-500. (FullText) (Working paper #07-01, 2007, Department of Industrial Engineering, Dalhousie University, under the title: Minimal representations of generalized Erlang distributions)
  41. He, Qi-Ming, Jingui Xie, and Xiaobo Zhao (2009), Stability Conditions of a preemptive repeat priority MMAP[N]/PH[N]/S queue with customer transfers (short version), The XIIIth International Conference <93>Applied Stochastic Models and Data Analysis<94>, ASMDA-2009, Editors: L. Sakalauskas, C. Skiadas, E.K. Zavadskas, 463-467. (Preprint) (Working paper #09-01, 2009, Department of Industrial Engineering, Dalhousie University)
  42. He, Qi-Ming, Hui Li, and Yiqiang Zhao (2009), Light-Tailed Behaviour in QBD Processes with Countably Many Phases, Stochastic Models, Vol 25, 50-75. (FullText)
  43. Xie, Jingui, Qi-Ming He, and Xiaobo Zhao (2008), Stability of a priority queueing system with customer transfers, Operations Research Letters, Vol 36, 705-709. (FullText)
  44. Alfa, A.S. and Qi-Ming He (2008), Algorithmic Analysis of the Discrete Time GI^X/G^Y/1 Queueing System, Performance Evaluation, Vol 65, 623-640. (FullText)
  45. He, Qi-Ming and Hanqin Zhang (2008), An Algorithm for Computing the Minimal Coxian Representations, INFORMS Journal on Computing , Vol 20 No.2, 179-190. (Working paper #05-02, 2005, Department of Industrial Engineering, Dalhousie University) (FullText)
  46. He, Qi-Ming and Hanqin Zhang (2007), An Algorithm for Computing Coxian Representations of Coxian Distribuitons as Approximations of Phase-type Distribuitons and Matrix-exponential Distributions, Calcolo, Vol 44 No 4, 235-264. (Working paper #05-04, 2005, Department of Industrial Engineering, Dalhousie University) (Preprint)
  47. He, Qi-Ming and Hanqin Zhang (2007), On matrix-exponential distributions, Advances in Applied Probability, Vol 39 No 1, 271-292. (Working paper #05-03, 2005, Department of Industrial Engineering, Dalhousie University) (FullText)
  48. Zhao, Xiaobo, D. Xu, H. Zhang, and Q. He (2007), Performance analysis of a supply-production-store chain, European Journal of Operational Research , Vol 176, 275-294. (FullText)
  49. He, Qi-Ming and Hanqin Zhang (2006), PH-invariant polytopes and Coxian representations of phase type distributions, Stochastic Models, Vol 22, 383-410. (Working paper #04-03, 2004, Department of Industrial Engineering, Dalhousie University) (FullText)
  50. He, Qi-Ming and Hanqin Zhang (2006), Spectral polynomial algorithms for computing bi-diagonal representations for matrix-exponential distributions and phase-type distributions, Stochastic Models, Vol 22, 289-317. (Working paper #04-02, 2004, Department of Industrial Engineering, Dalhousie University) (FullText)
  51. Yu, Haibo, Qi-Ming He, and Hanqin Zhang (2006), Stochastic Comparison on Queueing System with Batch Arrival, ACTA MATHEMATICAE APPLICATAE SINCA, Vol 29, No. 3, 398-404 (in Chinese) (Preprint)
  52. Yu, Haibo, Qi-Ming HE, and H. Zhang (2006), Monotonicity and convexity of some functions associated with denumerable Markov chains and their applications to queueing systems, Probability in the Engineering and Information Science , Vol 20, No.1, 67-86. (Preprint)
  53. He, Qi-Ming and Hanqin Zhang (2005), A Note on Unicyclic Representation of PH-distributions, Stochastic Models , Vol 21, 465-483. (MAM5, Pisa, Italy, 2005. Special issue of Stochastic Models) (Working Paper #04-06, 2004, Department of Industrial Engineering, Dalhousie University) (FullText)
  54. He, Qi-Ming (2005), Age Process, Workload Process, Sojourn Times, and Waiting Times in a Discrete Time SM[K]/PH[K]/1/FCFS Queue, Queueing Systems, Vol 49, 363-403. (Working paper #03-05, 2003, Department of Industrial Engineering, Dalhousie University) (FullText)
  55. He, Qi-Ming (2004), Workload process, Waiting Times, and Sojourn Times in a Discrete Time MMAP[K]/SM[K]/1/FCFS Queue, Stochastic Models, Vol 20 (4), 415-438. (Working paper #03-04, 2003, Department of Industrial Engineering, Dalhousie University) (Preprint)
  56. Gerchak, Y. and Qi-Ming He (2004), Group size and parallelism effects in tasks with heterogeneous levels of difficulty: a stochastic order approach, Journal of Systems Science and Systems Engineering , Vol 13 (1), 36-44. (FullText)
  57. Qi-Ming He (2003), The Classification of Markov Chains of Matrix GI/M/1 Type with a Tree Structure and its Queueing Applications, J. Appl. Prob., Vol 40 (4), 1087-1102 (Working paper #01-05, 2001, Department of Industrial Engineering, Dalhousie University.) (FullText)
  58. He, Qi-Ming and Eldon Gunn (2003), A note on the stochastic roots of stochastic matrix, J. of System Science and System Engineering , Vol. 12, No.2, 210-223. (Working paper #02-02, 2002, Department of Industrial Engineering, Dalhousie University.) (Preprint)
  59. Alfa, A.S., Bin Liu, and Q. He (2003), Analysis of MAP/PH/1 multiclass general preemptive priority queue, Naval Logistic Research , Vol. 50, 662-682. (FullText)
  60. He, Qi-Ming and Hui Li (2003), Stability conditions of the MMAP[K]/G[K]/1/LCFS preemptive repeat queue, Queueing Systems Vol. 44, 137-160. (Working paper #01-02, 2001, Department of Industrial Engineering, Dalhousie University) (FullText)
  61. Gerchak, Yigal and Qi-Ming He (2003), On the relation between the benefits of risk pooling and the variability of demand, IIE Transaction , Vol 35 (11), 1027-1031. (Working paper #00-05, 2000, Department of Industrial Engineering, Dalhousie University) (Preprint)
  62. Gerchak, Yigal and Qi-Ming He (2003), When will the range of prizes in tournaments increase in the noise or in the number of players? International Game Theory Review Vol. 5, No.2, 151-166. (Preprint)
  63. He, Qi-Ming (2003), A fixed point approach to the classification of Markov chains with a tree structure, Stochastic Models, Vol 19 , No. 1, 76-114. (Working paper #00-04, 2000, Department of Industrial Engineering, DalTech, Dalhousie University) (Preprint)
  64. Gerchak, Y., Qi-Ming He, Chungcharoen, and D. Fuller (2002), When uncertainty is beneficial: interesting implications for the hydrocarbon discovery process, Operations Research , Vol 50 (6), 1068-1072 (FullText)
  65. He, Qi-Ming, E.M. Jewkes, and J. Buzacott (2002), The value of information used in inventory replenishment of a make-to-order inventory-production system, IIE Transactions , Vol 34, No 11, 999-1013. (FullText)
  66. He, Qi-Ming and Marcel F. Neuts (2002), Two M/M/1 queues with transfers of customers, Queueing Systems , Vol. 42, 377-400 (Working paper #02-01, 2002, Department of Industrial Engineering, Dalhousie University.) (FullText)
  67. He, Qi-Ming, E.M. Jewkes, and J. Buzacott (2002), Optimal and near-optimal inventory control policies for a make-to-order inventory-production system, European J.O.R. , Vol 141, 113-132. (FullText)
  68. He, Qi-Ming and Hui Li (2002), A linear program approach to ergodicity of M/G/1 type Markov chains with a tree structure, Matrix-Analytic Methods: Theory and Applications, Editors: G. Latouche and P. Taylor, World Scientific, New Jersey, 147-162. MAM4, Adelaide, Australia, July 2002. (Working paper #01-04, 2001, Department of Industrial Engineering, Dalhousie University.) (Preprint)
  69. Gerchak, Yigal and Qi-Ming He (2002), On the identity of the smallest random variable, IIE Transactions, Vol 34, No 6, 559-564. (FullText)
  70. He, Qi-Ming and M.F. Neuts (2001), On the convergence of a matrix sequence arising in quasi birth-and-death Markov chains, Journal of Applied Probability, Vol 38 519-541 (Working paper #00-01, 2000, Department of Industrial Engineering, DalTech, Dalhousie University) (FullText)
  71. He, Qi-Ming (2001), The versatility of MMAP[K] and the MMAP[K]/G[K]/1 queue, Queueing Systems , Vol 38, 397-418. (Working paper #97-04, 1997, Department of Industrial Engineering, Dalhousie University) (FullText)
  72. Cormier, Gilles and Qi-Ming He (2001), A prototype mathematical model for planning the production of molds, ICPR-2001 , Prague.
  73. He, Qi-Ming (2000), Classification of Markov processes of matrix M/G/1 type with a tree structure and its applications to the MMAP[K]/G[K]/1 queue, Stochastic Models, Vol 16 , No.5. (Working paper #98-05, 1998, Department of Industrial Engineering, DalTech, Dalhousie University) (Preprint)
  74. He, Qi-Ming, Hui Li, and Yiqiang Zhao (2000), Ergodicity of the BMAP/PH/s/s+K retrial queue with PH-retrial times, Queueing Systems, Vol. 35, 323-347 (Working paper #98-02, 1998, Department of Industrial Engineering, Dalhousie University) (Preprint)
  75. He, Qi-Ming and A.S. Alfa (2000), Computational analysis of MMAP[K] /PH[K]/1 queues with a mixed FCFS and LCFS service discipline , Naval Research Logistic , Vol 47, 399-421.(Working paper #99-01, 1999, Department of Industrial Engineering, Dalhousie University) (FullText)
  76. He, Qi-Ming and A.S. Alfa (2000), The discrete time MMAP[K]/PH[K]/1/LCFS-GPR queues and its variants, Advances in Algorithmic Methods for Stochastic Models - Proceedings of the 3rd International Conference on Matrix Analytic Methods, G. Latouche and P.G. Taylor (Editors), 2000, Notable Publications Inc., NJ, 167- 190. (Working paper #99-04, 1999, Department of Industrial Engineering, Dalhousie University) (Preprint)
  77. Grosfeld-Nir, A., Y. Gerchak, and Qi-Ming He (2000), Manufacturing to order with random yield and costly inspection, Operations Research, Vol 48 , No.5. FullText
  78. He, Qi-Ming (2000), Classification of Markov chains of M/G/1 type with a tree structure and its applications to queueing models, Operations Research Letters, Vol 26, 67-80. (Working paper #98-03, 1998, Department of Industrial Engineering, Dalhousie University) (FullText)
  79. He, Qi-Ming (2000), Quasi-birth-and-death Markov processes with a tree structure and the MMAP[K]/PH[K]/1 queue, European Journal of Operational Research, Vol 120, 641-656. (Working paper #97-06, 1997, Department of Industrial Engineering, Dalhousie University) (FullText)
  80. He, Qi-Ming and E.M. Jewkes (2000), Performance measures of an make-to-order inventory-production system, IIE Transactions, Vol. 32, 409-419. (FullText)
  81. He, Qi-Ming and D. Stanford (1999), Distributions of the Interdeparture times in FCFS and nonpreemptive priority MMAP[2]/G[2]/1 queue, Performance Evaluation, Vol. 38, 85-103. (Working paper #97-03, 1997, Department of Industrial Engineering, Dalhousie University) (FullText)
  82. He, Qi-Ming (1999), Partial orders and the matrix R in matrix analytic methods, SIAM Journal on Matrix Analysis and Applications, Vol. 20/4, 871-885. (Working paper #96-06, 1996, Department of Industrial Engineering, Dalhousie University) (FullText)
  83. He, Qi-Ming, E.M. Jewkes, and J. Buzacott (1999), Analysis of the value of information used in inventory control of an inventory-production system, ABS/ACORS 99, Halifax, October, 1999. (FullText)
  84. Cormier, G., Qi-Ming He, and G. Losier (1999), A mold production planning system, Logistics in the Information age, Editors: M. Muffatto and K.S. Pawar, Florence, Italy, July, 1999, 443-448.
  85. Hsu, Guang-Hui and Qi-Ming He (1999), Stochastic Service Systems, Chapter 10 in Handbook of Operations Research Fundamentals, Edited by Hsu, G-H, Liu Y-P, and Cheng K, Science Press, Beijing. (In Chinese)
  86. He, Qi-Ming and A.S. Alfa (1998), The MMAP[K]/PH[K]/1 queue with a last-come-first-served preemptive service discipline, Queueing Systems, Vol 28, 269-291. (Working paper #97-05, 1997, Department of Industrial Engineering, Dalhousie University). (FullText)
  87. He, Qi-Ming and Marcel Neuts (1998), Markov chains with marked transitions, Stochastic Processes and their Applications, Vol. 74/1, 37-52. (Working paper #97-01, 1997, Department of Industrial Engineering, Dalhousie University). (FullText)
  88. He, Qi-Ming, E.M. Jewkes, and Buzacott (1998), An efficient algorithm for computing the optimal replenishment policy for an inventory-production system, Advances in Matrix-Analytic Methods for Stochastic Models , (Proceedings of the Second International Conference on Matrix-Analytic Methods, Winnipeg, Canada, 1998), Notable Publications, Inc., 381-402. (Preprint)
  89. He, Qi-Ming, P. Cyrus, and Hui Li (1998), A MAP/G/1 queue with cyclic service times, Operations Research and its Applications , Third International Symposium, ISORA'98, Editors Du, Zhang, and Cheng, World Publishing Corporation, 465-479. (Preprint)
  90. Grosfeld-Nir, A. and Qi-Ming He (1998), Production systems with rigid demands, random yields, and inspections, Symposium on Industrial Engineering and Management, Proceedings, CSME Forum (1998), Vol. 3, 155-162. (Preprint)
  91. He, Qi-Ming and Marcel Neuts (1997), On episodic queues, SIAM J. Matrix Analysis and Applications, Vol. 18, No. 1, 223-248. (Working Paper #92-29, 1992, Department of Systems and Industrial Engineering, University of Arizona) (FullText)
  92. He, Qi-Ming and E.M. Jewkes (1997) The flow time in queues with customer batching and setup times, INFOR, Vol. 35, No. 1, 76-91. (FullText)
  93. He, Qi-Ming (1996), Queues with marked customers, Advances in Applied Probability, Vol. 28, 567-587. (Working Paper #92-023, Department of Systems and Industrial Engineering, University of Arizona) (Preprint)
  94. He, Qi-Ming, Y. Gerchak, and A. Grosfeld-Nir (1996), Optimal inspection order when process' failure rate is constant, International Journal of Reliability, Quality and Safety Engineering, Vol. 3, No. 1, 25-41.
  95. He, Qi-Ming and E.M. Jewkes (1996), A level crossing analysis on the MAP/G/1 queue, Matrix-Analytic Method in Stochastic Models (S. Chakravarthy and A.S. Alfa, Editors), Marcel Dekker Publishers, Inc., the Proceedings of the First International Conference on Matrix-Analytic Methods, 107-116. (Preprint)
  96. He, Qi-Ming and E.M. Jewkes (1995), Flow time in the MAP/G/1 queue with customer batching and setup times, Stochastic Models, Vol 11, No. 4, 691-712.
  97. He, Qi-Ming (1995), Differentiability of matrices R and G in the matrix-analytic method, Stochastic Models, Vol. 11, No.1, 123-132. (Preprint)
  98. Hsu, Guang-Hui and Qi-Ming He (1994), The matched queueing system GI.PH/PH/1, Acta Mathematicae Applicatae Sinica, Vol. 17, No. 1, 34-47.
  99. Hsu, Guang-Hui and Qi-Ming He (1993), Matched queueing system with a double input: M.PH/G/1, Acta Mathematicae Applicatae Sinica, Vol. 16, No. 2.
  100. Hsu, Guang-Hui and Qi-Ming He (1993), Matched queueing system with a double input: M.M/PH/1, Acta Mathematicae Applicatae Sinica, Vol. 16, No. 1.
  101. He, Qi-Ming (1993), M/M^r/1/N queueing systems, Journal of Applied Probability and Statistics, Vol 9, No.3, 266-270. (In Chinese)
  102. He, Qi-Ming (1992), An analysis of slow server systems and an algorithm, Journal of Applied Probability and Statistics, Vol 8, No.1, 1-9. (In Chinese)
  103. He, Qi-Ming (1992), A note on queueing system M/M/1, Journal of Mathematical Research and Exposition, Vol 12, No. 2, 313-315. (In Chinese)
  104. Hsu, Guang-Hui and Qi-Ming He (1991), The distribution of the first passage time for the Markov processes of GI/M/1 type, Stochastic Models, Vol. 7, No. 3, 397-417. (Preprint)
  105. Hsu, G-H and Qi-Ming He (1991), Infinite-server queueing system with stage-service, Applied Mathematics, A Journal of Chinese Universities, Vol 6, No. 3, 413-419. (In Chinese)
  106. Hsu, G-H and Qi-Ming He (1990), The residual life of alternating renewal process, J. of Asian-Pacific Journal of Operational Research., Vol. 7, 76-81.
  107. He, Qi-Ming, Y-D Wang, and D-J Zhang (1990), On the first failure time for a two-unit system in two environments, Microelectronics and Reliability, Vol 30, 1095-1097.
  108. Hsu, G-H and Qi-Ming He (1990), A note on the residual life of alternating renewal process, Science Reports, Chinese Academy of Sciences, Vol 11, 879-880.
  109. Hsu, G-H, Qi-Ming He, and X-S Liu (1990), The stationary behaviours of matched queueing systems, Acta Mathematicae Applicatae Sinica, Vol 13, No.1, 31-40. (In Chinese)
  110. He, Qi-Ming and Ning Rong (1989), Queueing systems with bulk arrivals and infinite intermittently available servers: M[X]/M1°M2/inf, Journal of Graduate School, USTC, Vol 6, No1, 26-31. (In Chinese)
  111. He, Qi-Ming (1988), Random walking and its application in queueing systems, Applied Mathematics, A Journal of Chinese Universities, Vol 3, No.1, 128-138. (In Chinese)
  112. Rong, Ning and Qi-Ming He (1986), Service system in batch M[b]/M[k]/c, Journal of China University of Science and Technology, Supplement issue, 28-33. (In Chinese)
  113. He, Qi-Ming (1996), The Value of Information Used in Inventory Replenishment, Ph.D Thesis, Department of Management Science, University of Waterloo.
  114. He, Qi-Ming (1989), The First Passage Time for Markov Processes of GI/M/1 Type and the Matched Queueing System with a Double Input, Ph.D Thesis, Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing, China.

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