Selected Publications

• "An MPEC Approach to Second Best Toll Pricing," Mathematical Programming, 33-55, 7 July 2004, (with S. Lawphongpanich).
• "Decomposition Techniques for the Minimum Toll Revenue Problem," Networks, Vol. 44, No. 2, 142 - 150, 2004, (with L. Bai and S. Lawphongpanich).
• "A First Best Toll Pricing Framework for Variable Demand Traffic Assignment Models," Transportation Research (in press), 10 Aug. 2004, (with M. B. Yildirim).
• "A Toll Pricing Framework for Traffic Assignment Problems with Elastic Demand," Current Trends in Transportation and Network Analysis: Papers in honor of Michael Florian, M. Gendreau and P. Marcotte (Eds.), Kluwer Academic Publishers, 135-145, 2002 (with M. B. Yildirim).
• "Computational Methods for Congestion Toll Pricing Models," Proceedings of IEEE Conference on Intelligent Transportation Systems, Berkeley, 257-262, 2001 (with M. B. Yildirim and L. Bai).
• "Approximate Solutions of the Turbine Balancing Problem," European Journal of Operational Research, Vol. 130, 147-155, 2001 (with P. Pardalos and L. Pitsoulis).
• "Network Equilibrium and Pricing," Chapter 11 of Handbook of Transportation Science, R. W. Hall (Eds.), Kluwer Academic Publishers, 1999, 361-393, (with M. Florian).
• "Solving Congestion Toll Pricing Models," Equilibrium and Advanced Transportation Modeling, P. Marcotte and S. Nguyen (Eds.), Kluwer Academic Publishers, 109-124, 1998 (with M. Ramana).
• "Congestion Toll Pricing of Traffic Networks," Network Optimization, Springer-Verlag series Lecture Notes in Economics and Mathematical Systems, 51-71, 1997 (with P. Bergendorff and M. Ramana).
• "Continuous Characterizations of the Maximum Clique Problem," Mathematics of Operations Research, Vol. 22, 754-768, 1997. (with L. E. Gibbons, P. Pardalos and M. Ramana).
• "Bounded Flow Equilibrium Problems by Penalty Methods," IEEE International Conference on Circuits and Computers ICCC 80, Vol. 1, 162-166, 1980. (with J. Ribera).
• "Bounding Flows in Traffic Assignment Models," Research Report No. 80-4, 1980.

Edited Volumes

• Mathematical and Computational Models for Congestion Charging (Applied Optimization S.) by Siriphong Lawphongpanich, Donald W. Hearn, and Michael J. Smith
• Network Optimization by P.M. Pardalos, Donald W. Hearn, and William W. Hager
• Large Scale Optimization: State of the Art by William W. Hager, Donald W. Hearn, and Panos M. Pardalos

Industrial and Systems Engineering