Research Interests: Queueing Theory and Stochastic Modeling.
Some Recent Publications:
Li, H. and Zhao, Y. (2005), "a Retrial Queue with a Constant Retrial Rate, Server Break Downs and Impatient Customers", Stochastic Models 21, Numbers 2-3, 531-550.
Li, H and Liu, L. M. (2005), "Production Control in a Two-Stage System", European Journal of Operational Research, in press.
He, Q. and Li, H. (2003), "Stability Condition of MMAP/G/1 Queues with Preemptive Repeat Service", Queueing System 44, 137 - 160.
He, Q. and Li, H. (2002), "A Linear Program Approach to Ergodicity of M/G/1 Type Markov Chains with Tree Structure", Matrix Analytic Methods: Theory and Applications, editors: G. Latouche & P. Taylor, World Scientific, New Jersey, 147-162.
He Q. M, Li, H., and Zhao, Y. Q.(2000), " Ergodicity of the BMAP/PH/s/s+K Retrial Queues with PH-Retrial Times", Queueing Systems, Vol. 35, 323-347
Li, H and Yang, T. (2000), "Queues with variable number of servers", European Journal of Operational Research, (124)3(2000), pp.615-628.
Li, H. and Zhao, Y. Q., “Exact Tail
Asymptotics in a Priority Queue – Characterizations of the Preemptive Model”, Queueing Systems, 63, 355-381, 2009
Q.M. HE, Li, H., and Zhao,
Y. Q., “Light–Tailed Behavior in QBD Processes with Countably Many Phases”, Stochastic Models, 25:50-75, 2009.
Miyazawa, M., and Zhao, Y. Q., “Geometric Decay in a QBD Process with Countable
Background States and Its Application to Shortest Queues”, Stochastic Models, 23: 413-483, 2007.
Li, H and Liu, L. M., “Production
Control in a Two-Stage System”, European
Journal of Operational Research 174 (2006) 887-904, 2006.
Li, H. and Zhao, Y. Q (2005), “A
Retrial Queue with a Constant Retrial Rate, Server Break Downs and Impatient
Customers”, Stochastic Models 21
(2-3), 531-550, 2005.