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Research

Journal Publications:

  • Sun, Z., N. T. Argon, and S. Ziya, “Priority Scheduling of Jobs with Hidden Types in Queueing Systems.” To appear in Production and Operations Management.
  • Cheng, Q., N. T. Argon, C. S. Evans, Y. Liu, T. F. Platts-Mills, and S. Ziya,  “Forecasting Emergency Department Hourly Occupancy using Time Series Analysis,” American Journal of Emergency Medicine 48 (2021), 177-182.
  • Ouyang, H., N. T. Argon, and S. Ziya, “Assigning Priorities (or not) in Service Systems with Nonlinear Waiting Costs.”  To appear in Management Science.
  • Chen, W.,  B. Linthicum, N. T. Argon, T. Bohrmann, K. Lopiano, A. Mehrotra,  D. Travers, S. Ziya, “The Effects of Emergency Department Crowding on Triage and Hospital Admission Decisions,” American Journal of Emergency Medicine 38 (2020), No. 4, 774-779.
  • Ouyang, H., N. T. Argon, and S. Ziya, “Allocation of Intensive Care Unit Beds in Periods of High Demand,”  Operations Research 68 (2020), No. 2, 591-608.
    • Covered by Jim Daley in Scientific American on March 20, 2020 in relation to Covid-19 pandemic.
  • Mills, A. F., N. T. Argon, and S. Ziya, “Dynamic Distribution of Patients to Medical Facilities in the Aftermath of a Disaster,” Operations Research 66 (2018), No. 3, 716-732.
  • Sun, Z., N. T. Argon, and S. Ziya, “Patient Triage and Prioritization under Austere Conditions,” Management Science 64 (2018), No. 10, 4471-4489.
  • Ahalt, V., N. T. Argon, S. Ziya, J. Strickler, and A. Mehrotra, “Comparison of Emergency Department Crowding Scores: A Discrete-Event Simulation Approach,” Health Care Management Science 21 (2018), No. 1, 144-155.
  • Argon, N. T., and S. Andradóttir, “Pooling in Tandem Queueing Networks with Non-collaborative Servers,” Queueing Systems 87 (2017), No. 3, 345-377.
  • Argon, N. T., C. Deng, and V. Kulkarni, “Optimal Control of a Single Server in a Finite-Population Queueing Network,” Queueing Systems 85 (2017), No. 1, 149-172.
  • Mills, A. F., N. T. Argon, S. Ziya, B. Hiestand, and J. Winslow, “ReSTART: A Novel Framework for Resource-Based Triage in Mass-Casualty Events,” Journal of Special Operations Medicine 14 (2014), No. 1, 30-39.
  • Mills, A. F., N. T. Argon, and S. Ziya, “Resource-Based Patient Prioritization in Mass-Casualty Incidents,” Manufacturing and Service Operations Management 15 (2013), No. 3, 361-377.
  • Argon, N. T., S. Andradóttir, C., Alexopoulos, and D. Goldsman, “Steady-State Simulation with Replication-Dependent Initial Transients: Analysis and Examples,” INFORMS Journal on Computing 25 (2013), No. 1, 177-191.
  • Uzun Jacobson, E., N. T. Argon, and S. Ziya, “Priority Assignment in Emergency Response,” Operations Research 60 (2012), No. 4, 813-832.
  • Argon, N. T., and Y.-C. Tsai, “Dynamic Control of a Flexible Server in an Assembly-Type Queue with Setup Costs,” Queueing Systems 70 (2012), No. 3, 233-268.
  • Argon, N. T., and S. Ziya, “Priority Assignment under Imperfect Information on Customer Type Identities,” Manufacturing and Service Operations Management 11 (2009), No. 4, 674-693.
  • Argon, N. T., L. Ding, K. D. Glazebrook, and S. Ziya, “Dynamic Routing of Customers with General Delay Costs in a Multiserver Queuing System,” Probability in the Engineering and Informational Sciences 23 (2009), No. 2, 175-203.
  • Argon, N. T., S. Ziya, and R. Righter, “Scheduling Impatient Jobs in a Clearing System with Insights on Patient Triage in Mass-Casualty Incidents,” Probability in the Engineering and Informational Sciences 22 (2008), No. 3, 301-332.
  • Tsai, Y.-C., and N. T. Argon, “Dynamic Server Assignment Policies for Assembly-Type Queues with Flexible Servers,” Naval Research Logistics 55 (2008), No. 3, 234-251.
  • Aktaran-Kalayci, T., C. Alexopoulos, N. T. Argon, D. Goldsman, and J. R. Wilson, “Exact Expected Values of Variance Estimators in Steady-State Computer Simulation,” Naval Research Logistics 54 (2007), No. 4, 397-410.
  • Alexopoulos, C., N. T. Argon, D. Goldsman, N. Steiger, G. Tokol, and J. R. Wilson, “Efficient Computation of Overlapping Variance Estimators for Simulation,” INFORMS Journal on Computing 19 (2007), No. 3, 314-327.
  • Alexopoulos, C., N. T. Argon, D. Goldsman, G. Tokol, and J. R. Wilson, “Overlapping Variance Estimators for Simulation,” Operations Research 55 (2007), No. 6, 1090-1103.
  • Alexopoulos, C., S. Andradóttir, N. T. Argon, and D. Goldsman, “Replicated Batch Means Variance Estimators in the Presence of an Initial Transience,” ACM Transactions on Modeling and Computer Simulation 16 (2006), No. 4, 317-328.
  • Argon, N. T., and S. Andradóttir, “Replicated Batch Means for Steady-State Simulations,” Naval Research Logistics 53 (2006), No. 6, 508-524.
  • Argon, N. T., and S. Andradóttir, “Partial Pooling in Tandem Lines with Cooperation and Blocking,” Queueing Systems 52 (2006), No. 1, 5-30.
  • Argon, N. T., R. Güllü, and N. Erkip, “Analysis of an Inventory System under Backorder-Correlated Demand and Geometric Supply Process,” International Journal of Production Economics 71 (2001), 247-254.

Research Grants:

  • “Collaborative Research: Distribution of Patients to Medical Facilities in Mass-Casualty Events,” National Science Foundation, CMMI, Period: 09/01/2016 – 08/31/2020. Collaborators: Serhan Ziya (University of North Carolina), Lane Smith (Wake Forest University), and James Winslow (Wake Forest University).
  • “Quantifying Patient Complexity to Improve Emergency Department Performance,” Innovation Pilot Grant Award – UNC Health Care and the School of Medicine. Period: 06/01/2015 – 05/31/2016. Principle Investigators: Debbie Travers (University of North Carolina, School of Nursing) and Abhi Mehrotra (University of North Carolina, Department of Emergency Medicine); Collaborators: Serhan Ziya (University of North Carolina) and Jeff Strickler (UNC Healthcare).
  • “Collaborative Research: In Search of the Greatest Good with Imperfect Triage in the Aftermath of Mass-Casualty Events,” National Science Foundation, CMMI, Period: 09/01/2012 – 08/31/2016. Collaborators: Serhan Ziya (University of North Carolina) and James Winslow (Wake Forest University).
  • “A Simulation Model for Understanding Prevention and Treatment of Depression Among HIV+ Women,” National Science Foundation, Period: 09/01/2012 – 08/31/2015. Principal Investigator: Michael Foster (University of Alabama, Birmingham).
  • “The Childhood Obesity Policy and Comparative Effectiveness Model,” National Institutes of Health, Period: 09/15/2011 – 06/30/2013. Principal Investigators: Michael Foster (University of Alabama, Birmingham) and Asheley Skinner.
  • “Collaborative Research: Priority Dispatching of Patients in the Aftermath of a Mass-Casualty Event,” National Science Foundation, CMMI, Period: 09/01/2009 – 08/31/2013. Collaborators: Serhan Ziya (University of North Carolina) and James Winslow (Wake Forest University).
  • “Collaborative Research: Patient Triage in the Aftermath of a Mass Casualty Event – A Dynamic Programming Approach,” National Science Foundation, CMMI, Period: 11/27/2006 – 08/31/2010. Collaborators: Serhan Ziya (University of North Carolina) and James Winslow (Wake Forest University).