George Zhang

  • Visiting Professor, Technology and Operations Management
  • Adjunct Professor, Technology and Operations Management
  • B.Sc. (Nankai), MAS (Nankai), MBA (York), PhD (Waterloo)

    Surrey Room: SUR 5042
    Surrey Phone: 778.782.7446

    Email Address: gzhang@sfu.ca

    Research Interests

    Selected Publications

    Articles and Reports

    Chen, W., Hua, Z., Zhang, G. Z. (. N., & Bi, W. (2018). Analysis of freemium business model considering network externalities and consumer uncertainty. Journal of Systems Science and Systems Engineering, 27(1). http://doi.org/10.1007/s11518-017-5342-8

    Sheu, S., Liu, T., Zhang, G. Z. (. N., & Tsai, H. (2018). The generalized age maintenance policies with random working times. Reliability Engineering and System Safety, 169, 503-514. http://doi.org/10.1016/j.ress.2017.09.003

    Wang, F., Wang, J., & Zhang, G. Z. (. N. (2017). Strategic behavior and social optimization in a double-ended queue with gated policy. Computers and Industrial Engineering, 114, 264-273. http://doi.org/10.1016/j.cie.2017.10.011

    Zhang, G. Z. (. N., & Lin, X. (2017). Hierarchical modeling of stochastic manufacturing and service systems. Frontiers of Engineering Management, 4(3), 295-303. http://doi.org/10.15302/J-FEM-2017047

    Hua, Z., Chen, W., & Zhang, G. G. (2016). Competition and coordination in two-tier public service systems under government fiscal policy. Production and Operations Management, 25(8), 1430-1448. http://doi.org/10.1111/poms.12555

    Chen, W., Zhang, G. G., & Hua, Z. (2016). Analysis of price competition in two-tier service systems. Journal of the Operational Research Society, 67(6), 897-910. http://doi.org/10.1057/jors.2015.123

    Huang, P., Luh, H., & Zhang, G. Z. (. N. (2016). A queueing model for tiered inspection lines in airports. International Journal of Information and Management Sciences, 27(2), 147-177. http://doi.org/10.6186/IJIMS.2016.27.2.5

    Sheu, S., Chen, Y., Chang, C., & Zhang, G. G. (2016). A note on a two variable block replacement policy for a system subject to non-homogeneous pure birth shocks. Applied Mathematical Modelling, 40(5-6), 3703-3712. http://doi.org/10.1016/j.apm.2015.10.001

    Chen, W., Zhang, Z. G., & Hua, Z. (2015). Analysis of two-tier public service systems under a government subsidy policy. Computers and Industrial Engineering, 90, 146-157. http://doi.org/10.1016/j.cie.2015.08.009

    Wang, S. X., Fu, Y. B., & Zhang, G. G. (2015). Population growth and the environmental Kuznets curve. China Economic Review, 36, 146-165. http://doi.org/10.1016/j.chieco.2015.08.012

    Wang, S., Chen, C., & Zhang, G. G. (2015). A context-aware knowledge map to support ubiquitous learning activities for a u-Botanical museum. Australasian Journal of Educational Technology, 31(4), 470-485. http://doi.org/10.14742/ajet.1205

    Sheu, S., Liu, T., Zhang, G. G., & Chien, Y. (2015). Extended optimal replacement policy for a two-unit system with shock damage interaction. IEEE Transactions on Reliability, 64(3), 998-1014. http://doi.org/10.1109/TR.2015.2427231

    Sheu, S., Liu, T., Zhang, G. G., & Ke, J. (2015). Extended preventive replacement policy for a two-unit system subject to damage shocks. International Journal of Production Research, 53(15), 4614-4628. http://doi.org/10.1080/00207543.2015.1005250

    Sheu, S., Chang, C., Chen, Y., & Zhang, G. G. (2015). Optimal preventive maintenance and repair policies for multi-state systems. Reliability Engineering and System Safety, 140(August), 78-87. http://doi.org/10.1016/j.ress.2015.03.029

    Chien, Y., & Zhang, G. G. (2015). Analysis of a hybrid warranty policy for discrete-time operating products. IIE Transactions, 47(5), 442-459. http://doi.org/10.1080/0740817X.2014.953645

    Liu, Z., Ma, Y., & Zhang, G. G. (2015). Equilibrium mixed strategies in a discrete-time Markovian queue under multiple and single vacation policies. Quality Technology and Quantitative Management, 12(3), 369-382. http://doi.org/10.1080/16843703.2015.11673387

    He, L., Li, S., Gao, Q., & Zhang, G. G. (2015). Improving operational efficiency for a two-way highway toll station. Quality Technology and Quantitative Management, 12(3), 355-368. http://doi.org/10.1080/16843703.2015.11673386

    Guo, P., Lindsey, R., & Zhang, G. G. (2014). On the Downs-Thomson Paradox in a self-financing two-tier queuing system. Manufacturing and Service Operations Management, 16(2), 315-322. http://doi.org/10.1287/msom.2014.0476

    Sheu, S., Liu, T., Zhang, G. G., & Chang, T. (2014). Optimal number of repairs before replacement for a two-unit system subject to non-homogeneous pure birth process. Computers and Industrial Engineering, 69, 71-76. http://doi.org/10.1016/j.cie.2013.12.006

    Zhang, G. G., Bai, J., & Li, Z. (2014). A cumulative shock model with cluster structure. Annals of Operations Research, 212(1), 21-41. http://doi.org/10.1007/s10479-012-1255-6

    Kuo, C., Sheu, S., Ke, J., & Zhang, G. G. (2014). Reliability-based measures for a retrial system with mixed standby components. Applied Mathematical Modelling, 38(19-20), 4640-4651. http://doi.org/10.1016/j.apm.2014.03.005

    Zhang, G. G., Zong, S., Chai, G., & Zhao, L. (2013). Optimal replacement policy for a deteriorating system with increasing repair times. Applied Mathematical Modelling, 37(23), 9768-9775. http://doi.org/10.1016/j.apm.2013.05.019

    Zhang, G. G., Ke, J., & Wu, C. (2013). A note on a multi-server queue with vacations of multiple groups of servers. Quality Technology and Quantitative Management, 10(4), 513-525. http://doi.org/10.1080/16843703.2013.11673428

    Pengfei, G., & Zhang, G. G. (2013). Strategic queueing behavior and its impact on system performance in service systems with the congestion-based staffing policy. Manufacturing and Service Operations Management, 15(1), 118-131. http://doi.org/10.1287/msom.1120.0406

    Sheu, S., & Zhang, G. G. (2013). An optimal age replacement policy for multi-state systems. IEEE Transactions on Reliability, 62(3), 722-735. http://doi.org/10.1109/TR.2013.2270427

    Zhang, G. G., Sheu, S., Chien, Y., & Huang, T. (2013). Age replacement policy with lead-time for a system subject to non-homogeneous pure birth shocks. Applied Mathematical Modelling, 37(14-15), 7717-7725. http://doi.org/10.1016/j.apm.2013.03.017

    Zhang, G. G., Kim, I., Springer, M., Cai, G., & Yu, Y. (2013). Dynamic pooling of make-to-stock and make-to-order operations. International Journal of Production Economics, 144(1), 44-56. http://doi.org/10.1016/j.ijpe.2013.01.012

    Ke, J., Hsu, Y., Liu, T., & Zhang, G. G. (2013). Computational analysis of machine repair problem with unreliable multi-repairmen. Computers & Operations Research, 40(3), 848-855. http://doi.org/10.1016/j.cor.2012.10.004

    Sheu, S., Chen, Y., Chang, C., & Zhang, Z. G. (2013). Optimal number of repairs before replacement for a system subject to shocks of a non-homogeneous pure birth process. IEEE Transactions on Reliability, 62(1), 73-81. http://doi.org/10.1109/TR.2013.2241195

    Sheu, S., Chen, Y., Chang, C., & Zhang, G. G. (2013). Extended optimal replacement policy for a system subject to non-homogeneous pure birth shocks. Computers and Industrial Engineering, 64(2), 573-579. http://doi.org/10.1016/j.cie.2012.11.009

    Zhang, G. G., & Samanta, S. K. (2012). Stationary analysis of a discrete-time GI/D-MSP/1 queue with multiple vacations. Applied Mathematical Modelling, 36(12), 5964–5975. http://doi.org/10.1016/j.apm.2012.01.049

    Sheu, S., Chen, Y., Chang, C., & Zhang, Z. G. (2012). A block replacement policy for systems subject to non-homogeneous pure birth shocks. IEEE Transactions on Reliability, 61(3), 741-748. http://doi.org/10.1109/TR.2012.2206270

    Chien, Y., Sheu, S., & Zhang, G. G. (2012). Optimal maintenance policy for a system subject to damage in a discrete time process. Reliability Engineering and System Safety, 103(July), 1-10. http://doi.org/10.1016/j.ress.2012.03.002

    Zhang, G. G., & Fu, Y. B. (2012). Is the trailing-stop strategy always good for stock trading? International Journal of Operations Research, 9(3), 129-140. http://doi.org/10.1.1.401.7584

    Sheu, S., Chang, C., Zhang, Z. G., & Chien, Y. (2012). A note on replacement policy for a system subject to non-homogeneous pure birth shocks. European Journal of Operational Research, 216(2), 503-508. http://doi.org/10.1016/j.ejor.2011.07.056

    Zhang, G. Z. (. N., Luh, H. P., & Wang, C. (2011). Modeling security-check queues. Management Science, 57(11), 1979-1995. http://doi.org/10.1287/mnsc.1110.1399

    Zhang, Z. G., Tadj, L., & Bounkhel, M. (2011). Cost evaluation in M/G/1 queue with T-policy revisited. European Journal of Operational Research, 214(3), 814-817. http://doi.org/10.1016/j.ejor.2011.05.043

    Ke, J., Lin, C., Huang, H., & Zhang, Z. G. (2011). An algorithmic analysis of multi-server vacation model with service interruptions. Computers and Industrial Engineering, 61(4), 1302–1308. http://doi.org/10.1016/j.cie.2011.08.003

    Chang, C., Sheu, S., Chen, Y., & Zhang, Z. G. (2011). A multi-criteria optimal replacement policy for a system subject to shocks. Computers and Industrial Engineering, 61(4), 1035-1043. http://doi.org/10.1016/j.cie.2011.06.017

    Zhang, G. G., Wang, J., Guo, S., & Wang, J. (2011). Forecasting stock indices with back propagation neural network. Expert Systems with Applications: An International Journal, 38(11), 14346-14355. http://doi.org/10.1016/j.eswa.2011.04.222

    Tadj, L., Zhang, Z. G., & Tadj, C. (2011). A queueing analysis of multi-purpose production facility's operations. Journal of Industrial Management Optimization, 7(1), 19-30. http://doi.org/10.3934/jimo.2011.7.19

    Zhang, G. G., Tian, N., Love, E. E., & Ma, Z. (2011). Analysis of queues with an imperfectly repairable server. International Journal of Operations Research, 8(2), 1-7. http://doi.org/10.1.1402.1033

    Ke, J., Wu, C., & Zhang, Z. G. (2010). Recent developments in vacation queueing models: A short survey. International Journal of Operations Research, 7(4), 3-8. http://doi.org/10.1.1.401.8718

    Sheu, S., Chang, C., Chen, Y., & Zhang, G. Z. (. N. (2010). A periodic replacement model based on cumulative repair-cost limit for a system subjected to shocks. IEEE Transactions on Reliability, 59(2), 374-382. http://doi.org/10.1109/TR.2010.2048733

    Ke, J., Lin, C., Yang, J., & Zhang, G. G. (2009). Optimal (d, c) vacation policy for a finite buffer M/M/c queue with unreliable servers and repairs. Applied Mathematical Modelling, 33(10), 3949-3962. http://doi.org/10.1016/j.apm.2009.01.008

    Chen, F. Y., Xu, M., & Zhang, G. Z. (. N. (2009). A risk-averse newsvendor model under the CVaR criterion. Operations Research, 57(4), 1040-1044. http://doi.org/10.1287/opre.1080.0603

    Zhang, G. Z. (. N. (2009). Performance analysis of a queue with congestion-based staffing policy. Management Science, 55(2), 240-251.

    Zhang, G. Z. (. N. (2009). A note on workload control for an under-utilized server of M/G/1 system. Computers and Industrial Engineering, 56(1), 28-32.

    Cai, G., Zhang, G. Z. (. N., & Zhang, M. (2009). Game theoretical perspectives on dual-channel supply chain competition with price discounts and pricing schemes. International Journal of Production Economics, 117(1), 80-96. http://doi.org/10.1016/j.ijpe.2008.08.053

    Li, J., Tian, N., Zhang, G. Z. (. N., & Luh, H. P. (2009). Analysis of the M/G/1 queue with exponentially working vacations - a matrix analytic approach. Queueing Systems, 61(2-3), 139-166. http://doi.org/10.1007/s11134-008-9103-8

    Books, Book Chapters and Monographs

    Tan, N., & Zhang, G. G. (2006). Vacation queueing models. London, United Kingdom: Springer-Verlag (UK). http://doi.org/10.1007/978-0-387-33723-4

    Powered by TRACS