Qiang (Patrick) Qiang, Ph.D.

Assistant Professor of Operations and Management



    • Modeling, analysis, and solution of complex decision-making problems on supply chains and transportation networks
    • Network dynamics and equilibrium
    • Multicriteria decision-making

Professional Activities

    • Member of INFORMS
    • Associates of Virtual Center for Supernetworks


    • Council of University Transportation Centers' (CUTC) Wootan Award in the Policy & Planning Ph.D. category
    • Judith Liebman Award from the Institute for Operations Research and the Management Sciences, 2009
    • University of Massachusetts Graduate School Fellowship Award for Outstanding Doctoral Students 2008 – 2009
    • Beta Gamma Sigma, inducted on April 25th, 2008
    • INFORMS 2007 Future Academician Colloquium Participant in Seattle, WA, November 3-4, 2007. Selected to represent the University of Massachusetts, Amherst
    • WCTR Student Fellowship Award, 11th World Conference on Transportation Research, at the University of California Berkeley, June 2007
    • Hart Fellowship Award, University of Colorado Boulder, July 2003


    • Ph.D. - University of Massachusetts Amherst, Management Science, 2009
    • M.S. - University of Colorado Boulder, Systems, 2004
    • B.S. - Shanghai Jiao Tong University, Automation Control, 1997


    • BUSAD 525
    • OPMGT 510


Research Interests

    • Network efficiency, network performance measurement
    • Network reliability and robustness under uncertainty and their environmental impacts
    • Network vulnerability with applications to supply chains, transportation networks, financial networks, electric power supply chains


Articles in Scholarly Journals

Qiang, Q. Supply Chain Network Design for Critical Needs with Outsourcing (with A. Nagurney and M. Yu). Papers in Regional Science, Accepted.
Qiang, Q. Fragile Networks: Identifying Vulnerabilities and Synergies in an Uncertain Age (with A. Nagurney). International Transactions in Operational Research, Accepted.
Qiang, Q.  Environmental Impact Assessment of Transportation Networks with Degradable Links in an Era of Climate Change (with A. Nagurney), International Journal of Sustainable Transportation, 4: (2009),154-171.
Qiang, Q.  Multiproduct Supply Chain Horizontal Network Integration: Models, Theory, and Computational Results (with A. Nagurney and T. Woolley), International Transactions in Operational Research, 17 (2010), 333-349.
Qiang, Q.  An Efficiency Measure for Dynamic Networks with Application to the Internet and Vulnerability Analysis (with A. Nagurney), Netnomics 9: (2008), 1-20.
Qiang, Q.  A Relative Total Cost Index for the Evaluation of Transportation Network Robustness in the Presence of Degradable Links and Alternative Travel Behavior (with A. Nagurney), International Transactions in Operational Research 16: (2009), 46-67.
Qiang, Q.  A Unified Network Performance Measure with Importance Identification and the Ranking of Network Components (with A. Nagurney), Optimization Letters 2: (2008) 127-142.
Qiang, Q.  A Network Efficiency Measure with Application to Critical Infrastructure Networks (with A. Nagurney), Journal of Global Optimization 40: (2008) 261-275.
Qiang, Q.  A Network Efficiency Measure for Congested Networks (with A. Nagurney), Europhysics Letters 79: (2007) 38005.
Qiang, Q.  Robustness of Transportation Networks Subject to Degradable Links (with A. Nagurney), Europhysics Letters 80: (2007) 68001.


Qiang, Q.  Fragile Networks: Identifying Vulnerabilities and Synergies in an Uncertain World (with A. Nagurney). John Wiley & Sons, Inc., Hoboken, New Jersey, 2009. 
Conference Proceedings

A Knowledge Collaboration Network Model Across Disciplines (with A. Nagurney), Proceedings of the 2010 International Conference on Social Computing, Behavioral Modeling, & Prediction, Lecture Notes on Computer Science, S.-K. Chai, J. Salerno, and P. L. Mabry, Editors, Springer.
System-Optimized Transportation Network with Disruption Hedging Investment,
 Proceedings of the 2010 IEEE International Conference on Advanced Management Science, Chengdu, China, July 9-11, 2010.
Qiang, Q.  A Transportation Network Efficiency Measure that Captures Flows, Behavior, and Costs with Applications to Network Component Importance Identification and Vulnerability (with A. Nagurney), Proceedings of the POMS 18th Annual Conference, Dallas, Texas, May 4 - 7, 2007.
Qiang, Q.  Chinese Perceptions on Web site Design Quality (with Y.H. Lee), Proceedings of AMCIS 2003, Tampa, Florida, August 4 – 6, 2003.