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Publications / Manuscripts (in chronological order)
Dr. Steven A. Gabriel
(underlined = graduate student co-author)

BOOKS

  1. S.A. Gabriel, A.J. Conejo, B.F. Hobbs, D. Fuller, C. Ruiz, Complementarity Modeling In Energy Markets, Springer, 2013, New York.

CHAPTERS IN BOOKS

  1. S. A. Gabriel and J. S. Pang, 1994. "A Trust Region Method for Constrained Nonsmooth Equations," in Large-Scale Optimization: State of the Art, edited by W.W. Hager, D.W. Hearn, and P. Pardalos, Kluwer Academic Publishers, 159-186.
  2. D. Bernstein and S. A. Gabriel, 1997. "Solving the Nonadditive Traffic Equilibrium Problem," in Lecture Notes in Economics and Mathematical Systems Network Optimization, P. M. Pardalos, D. W. Hearn, W. W. Hager, eds., Springer, 72-102.
  3. S. A. Gabriel and Y. Smeers, 2006. "Complemenatarity Problems in Restructured Natural Gas Markets," Recent Advances in Optimization. Lecture Notes in Economics and Mathematical Systems, Edited by A. Seeger,Vol. 563, Springer-Verlag Berlin Heidelberg, 343-373.
  4. S.A. Gabriel, S. Vilalai, P. Sahakij, M. Ramirez, C. Peot. 2009. "Models for Improving Management of Biosolids Odors," in Uncertainty and Environmental Decision Making, Springer, 315-334.
  5. S.A. Gabriel, Complementarity Applications with Emphasis on Infrastructure Models, Encyclopedia of Operations Research and Management Science, S.I. Gass and M.C. Fu, eds., Springer, NY, accepted and in press (anticipated early 2012).
  6. S.A. Gabriel, A.M. Moe, K.E. Rosendahl, and M. Tsygankova, 2013. "The Likelihood and Potential Implications of a Natural Gas Cartel," in Handbook on Energy and Climate Change, edited by R. Fouquet, Edward Elgar Publishing Limited, Cheltenham, UK.

JOURNAL ARTICLES

Decision Sciences: Optimization/Equilibrium Algorithms

  1. S. A. Gabriel and J. S. Pang, 1992. "An Inexact NE/SQP Method for Solving the Nonlinear Complementarity Problem," Computational Optimization and Applications, 1, 67-91.
  2. J. S. Pang and S. A. Gabriel, 1993. "NE/SQP: a Robust Algorithm for the Nonlinear Complementarity Problem," Mathematical Programming, 60, 295-337.
  3. S. A. Gabriel, 1998. "An NE/SQP Method for the Bounded Nonlinear Complementarity Problem," Journal of Optimization Theory and Applications, 97, 493-506.
  4. S. A. Gabriel, 1998. "A Hybrid Smoothing Method for the Mixed Nonlinear Complementarity Problem," Computational Optimization and Applications, 9, 153-173.
  5. Y. Shim, S.A. Gabriel, A. Desai, P. Sahakij, S. Milner, 2008, "A Fast Heuristic Method for Minimizing Traffic Congestion on Reconfigurable Ring Topologies," Journal of the Operational Research Society, 59, 521-539.
  6. S.A. Gabriel, J. Zhuang, R. Egging, 2009. “Solving Stochastic Complementarity Problems in Energy Market Modeling Using Scenario Reduction,” European Journal of Operational Research, 197(3), 1028-1040.
  7. S.A. Gabriel, Y. Shim, A.J. Conejo, S. de la Torre, R. García-Bertrand, 2010. "A Benders Decomposition Method for Discretely-Constrained Mathematical Programs with Equilibrium Constraints," Journal of the Operational Research Society, 61, 1404-1419.
  8. S.A. Gabriel and J. D. Fuller, 2010. "A Benders Decomposition Method for Solving Stochastic Complementarity Problems with an Application in Energy," Computational Economics, 35(4), 301-329.
  9. S. Siddiqui, S. Azarm,  S.A. Gabriel, 2012. “A Modified Normal Boundary Intersection Method for Efficient Generation of Pareto Frontier”, Structural and Multidisciplinary Optimization,  04/2012; 44(2):259-275. DOI:10.1007/s00158-011-0631-1.
  10. A. Mortazavi, S. Azarm, S.A. Gabriel, 2013. “Adaptive Gradient Assisted Robust Design Optimization Under Interval Uncertainty,” Engineering Optimization, 45 (11), 1287-1307, DOI: 10.1080/0305215X.2012.734818.
  11. Y. Shim, M. Fodstad, S.A. Gabriel, A. Tomasgard, 2013. “ A Branch-and-Bound Method for Discretely-Constrained Mathematical Programs with Equilibrium Constraints,” Annals of Operations Research, 210 (1), 5-31, doi: 10.1007/s10479-012-1191-5.
  12. S. Siddiqui, S.A. Gabriel, S. Azarm, 2014. “Solving Mixed-Integer Robust Optimization Problems with Interval Uncertainty Using Benders Decomposition,”  Journal of the Operational Research Society, 1-10, doi:10.1057/jors.2014.41.
  13. S. Siddiqui, S. Azarm, S.A. Gabriel. 2011. “A Modified Benders Decomposition Method for Efficient Robust Optimization under Interval Uncertainty,” Structural and Multidisciplinary Optimization, 44(2), 259-275.
  14. M. Devine, S.A. Gabriel, S. Moryadee, 2016. "A Rolling Horizon Approach for Stochastic Mixed Complementarity Problems with Endogenous Learning: Application to Natural Gas Markets," Computers and Operations Research, 68, 1-15. preprint Cahiers du GERAD G-2015-14, February 2015, http://wwwold.gerad.ca/en/publications/cahiers.php.

    Decision Sciences: Optimization/Equilibrium Novel Modeling & Theory
  15. S. A. Gabriel and D. Bernstein, 1997. "The Traffic Equilibrium Problem with Nonadditive Costs," Transportation Science, 31, 337-348.
  16. S. A. Gabriel and D. Bernstein, 2000. "Nonadditive Shortest Paths: Subproblems in Multi-Agent Competitive Network Models," Computational and Mathematical Organization Theory, 6, 29-45.
  17. S. A. Gabriel, A. S. Kydes, P. Whitman, 2001. "The National Energy Modeling System: A Large-Scale Energy-Economic Equilibrium Model," Operations Research, 49 (1), 14-25.
  18. S. A. Gabriel, S. Kiet, J. Zhuang, 2005. "A Mixed Complementarity-Based Equilibrium Model of Natural Gas Markets," Operations Research, 53(5), 799-818.
  19. G. E. Moglen, S. A. Gabriel, J. A. Faria, 2003. "A Framework for Quantitative Smart Growth in Land Development," Journal of the American Water Resources, 39(4), 947-959.
  20. R. García-Bertrand, A. J. Conejo, S. A. Gabriel, 2005. "Multi-Period Near-Equilibrium in a Pool-Based Electricity Market Including On/Off Decisions," Networks and Spatial Economics, 5(4), 371-393.
  21. S. A. Gabriel, J. A. Faria, G.E. Moglen, 2006. "A Multiobjective Optimization Approach to Smart Growth in Land Development," Socio-Economic Planning Sciences, 40, 212-248.
  22. S. A. Gabriel, A. J. Conejo, M. A. Plazas, S. Balakrishnan, 2006. "Optimal Price and Quantity Determination for Retail Electric Power Contracts," IEEE Transactions on Power Systems, 21(1), 180-187.
  23. S. A. Gabriel, R. García-Bertrand, P. Sahakij, A. Conejo, 2006. "A Practical Approach in Approximating Bilinear Functions in Mathematical Programming Problems by Using Schur's Decomposition and SOS Type 2 Variables," Journal of the Operational Research Society, 57, 995-1004.
  24. R. García-Bertrand, A. J. Conejo, S. A. Gabriel, 2006. "Electricity Market Near-Equilibrium Under Locational Marginal Pricing and Minimum Profit Conditions," European Journal of Operational Research, 174, 457-479.
  25. J. Zhuang, S.A. Gabriel, 2008. "A Complementarity Model for Solving Stochastic Natural Gas Market Equilibria,"Energy Economics, 30(1), 113-147.
  26. S.A. GabrielY. ShimJ. Llorca, S. Milner, 2008. "A Multiobjective Optimization Model for Dynamic Reconfiguration of Ring Topologies with Stochastic Load," Networks and Spatial Economics, 8(4), 419-441.
  27. J.M. Eckhause, D.R. Hughes, S.A. Gabriel, 2009. " Evaluating Real Options for Mitigating Technical Risk in Public Sector R& D Acquisitions," International Journal of Project Management, 27, 365-377.
  28. S.A. Gabriel, F.U. Leuthold, 2010. "Solving Discretely-Constrained MPEC Problems with Applications in Electric Power Markets," Energy Economics, 32, 3-14.
  29. M. Li, S.A. Gabriel, Y. Shim, S. Azarm, 2011. " Interval Uncertainty-Based Robust Optimization for Convex and Non-Convex Quadratic Programs with Applications in Network Infrastructure Planning," Networks and Spatial Economics, 11, 159-191.
  30. J. Eckhause, S.A. Gabriel, D. R. Hughes, 2012. "An Integer Programming Approach for Evaluating R&D Funding Decisions with Optimal Budget Allocations," IEEE Transactions on Engineering Management,  59(4), 679-691.
  31. C. Ruiz , A.J. Conejo, S.A. Gabriel, 2012. "Pricing Non-Convexities in an Electricity Pool," IEEE Transactions on Power Systems, 27(3), 1334-1342.
  32. I. Abada, V. Briat , S.A. Gabriel, O. Massol, 2012. “A Generalized Nash-Cournot Model for the Northwestern European Natural Gas Markets with a Fuel Substitution Demand Function: the GaMMES Model,” Networks and Spatial Economics, 13(1), 1-42.
  33. S. Siddiqui and S.A. Gabriel, 2012. “An  SOS1-Based Approach for Solving MPECs with a Natural Gas Market Application,” Networks and Spatial Economics, pp. 1-23, doi:10.1007/s11067-012-9178-y.
  34. C. U-tapao, S.A. Gabriel, C. Peot, and M. Ramirez, 2015. “A Stochastic, Multiobjective, Mixed-Integer Optimization Model for Management of Wastewater-Derived Energy,” J. of Energy Engineering, 141(1).
  35. B. R. Champion and S.A. Gabriel, 2015. " An improved strategic decision-making model for energy conservation measures,"Energy Strategy Reviews 6, 92-108.
  36. C. U-tapao, S. Moryadee, S.A. Gabriel, C. Peot and M. Ramirez, 2016. "A Stochastic, Two-Level Optimization Model for Compressed Natural Gas Infrastructure Investments in Wastewater Management, " Journal of Natural Gas Science & Engineering 28, 226–24 preprint Cahiers du GERAD G-2015-16, http://wwwold.gerad.ca/en/publications/cahiers.php
  37. S.A. Gabriel, "Solving Discretely Constrained Mixed Complementarity Problems Using a Median Function," September 2016, in press at Optimization and Engineering, also preprint at Cahier du GERAD G-2015-123, November 2015.

Decision Sciences: Applications

  1. S. A. Gabriel, S. Vikas, D. M. Ribar, 2000. "Measuring the Influence of Canadian Carbon Stabilization Programs on Natural Gas Exports to the United States via a Bottom-Up Intertemporal Spatial Price Equilibrium Model," Energy Economics, 22, 497-525.
  2. S. A. Gabriel, M.F. Genc, and S. Balakrishnan, 2002. "A Simulation Approach to Balancing Annual Risk and Reward in Retail Electrical Power Markets," IEEE Transactions on Power Systems, 17 (4), 1050-1057.
  3. S. A. Gabriel, J. Manik , S. Vikas, 2003. "Computational Experience with a Large-Scale, Multi-Period, Spatial Equilibrium Model of the North American Natural Gas System," Networks and Spatial Economics, 3, 97-122.
  4. S. A. Gabriel, P. Sahakij, S. Balakrishnan, 2004. "Optimal Retailer Load Estimates Using Stochastic Dynamic Programming," ASCE Journal of Energy Engineering, 130(1), 1-17.
  5. S. A. Gabriel, S. Kiet, S. Balakrishnan, 2004. "A Mixed Integer Stochastic Optimization Model for Settlement Risk in Retail Electric Power Markets,"  Networks and Spatial Economics 4, 323-345.
  6. S. A. Gabriel, J. Zhuang, S. Kiet, 2005. "A Large-Scale Complementarity Model of the North American Natural Gas Market," Energy Economics, 27, 639-665.
  7. S. A. Gabriel, S.Vilalai, S.C. Arispe, H. Kim, L.L. McConnell, A. Torrents, C. Peot, M. Ramirez,  2005. " Prediction of Dimethyl Disulfide Levels from Biosolids Using Statistical Modeling," J. Environ. Sci. Health, Part A, 40(11), 2009-2025.
  8. S. A. Gabriel, S. Kumar, J. Ordóñez, A. Nasserian, 2006. "A Multiobjective Optimization Model for Project Selection with Probabilistic Considerations," Socio-Economic Planning Sciences, 40, 397-313.
  9. S. A. Gabriel, J.F. Ordóñez, and J. A. Faria, 2006. “Contingency Planning in Project Selection Using Multiobjective Optimization and Chance Constraints,” ASCE Journal of Infrastructure Systems, 12(2), 112-120.
  10. S. A. Gabriel, S. Vilalai, C. Peot, M. Ramirez, 2006. "Statistical Modeling to Forecast Odor Levels of Biosolids Applied to Reuse Sites," ASCE Journal of Environmental Engineering 132(5), 479-488.
  11. R. Egging, S. A. Gabriel, "Examining Market Power in the European Natural Gas Market", 2006. Energy Policy, 34 (17), 2762-2778.
  12. S.A. Gabriel, P. Sahakij, M. Ramirez, C. Peot, 2007. "A Multiobjective Optimization Model for Processing and Distributing Biosolids to Reuse Fields," Journal of the Operational Research Society, 58, 850-864.
  13. R. Egging, S.A. Gabriel, F.Holz, J. Zhuang. 2008. "A Complementarity Model for the European Natural Gas Market," Energy Policy, 36, 2385-2414.
  14. M. Ruth, S.A. Gabriel, K. Palmer, D. Burtraw, A. Paul, Y. Chen, B.F. Hobbs, D. Irani, J. Michael, K. Ross, R. Conklin, J. Miller , 2008.  "Economic and Energy Impacts from Participation in the Regional Greenhouse Gas Initiative: A Case Study of the State of Maryland," Energy Policy, 36, 2279-2289.
  15. R. Egging, F. Holz, C. von Hirschhausen, S.A. Gabriel, 2009. "Representing GASPEC with the World Gas Model," The Energy Journal, 30, 97-118.
  16. R. Egging , F. Holz, S. A. Gabriel, 2010. " The World Gas Model A Multi-Period Mixed Complementarity Model for the Global Natural Gas Market, " Energy, 35, 4016-4029.
  17. M. Ruth, A. Blohm, J. Mauer , S.A. Gabriel, V.G. Kesana, Y. Chen,  B. Hobbs, D. Irani, 2010. "Strategies for Carbon Dioxide Emissions Reductions: Residential Natural Gas Efficiency, Economic and Ancillary Health Impacts in Maryland," Energy Policy, 38(11), 6926-6935.
  18. P. Sahakij, S.A. Gabriel, M. Ramirez, C. Peot, 2011. "Multi-objective Optimization Models for Distributing Biosolids to Reuse Fields: A Case Study for the Blue Plains Wastewater Treatment Plant," Networks and Spatial Economics, 11(1), 1-22.
  19. S.A. Gabriel, K.E. Rosendahl, R. Egging, H. Avetisyan, S. Siddiqui, 2012. “Cartelization in Gas Markets: Studying the Potential for a ‘Gas OPEC’ ,” Energy Economics,  34(1), 137-152.
  20. S.A. Gabriel, A.J. Conejo, C. Ruiz, Sauleh Siddiqui , 2013. "Solving Discretely-Constrained, Mixed Linear Complementarity Problems with Applications in Energy, " Computers and Operations Research, 40(5), 1339-1350.
  21. D. Huppmann, S.A. Gabriel, F. U. Leuthold, 2013. A Note of Allowing Negative Energy Prices in a Discretely Constrained MPEC," corrigendum to S.A. Gabriel, F.U. Leuthold, 2010. "Solving Discretely-Constrained MPEC Problems with Applications in Electric Power Markets," Energy Economics, 32, 3-14.
  22. S.A. Gabriel, S. Siddiqui, A.J. Conejo, C. Ruiz, 2013, “Discretely-Constrained, Nash-Cournot Games in Energy,” Networks and Spatial Economics, 13(3), 307-326.
  23. C. Ruiz, A.J. Conejo, J.D. Fuller, S.A. Gabriel, B.F. Hobbs, 2014. “A Tutorial Review of Complementarity Models for Decision-Making in Energy Markets,” EURO Journal of Decision Processes, 2(1-2), 91-120.
  24. S. Moryadee, S.A. Gabriel, H.G. Avetisyan, 2014. “Investigating the Potential Effects of U.S. LNG Exports on Global Natural Gas Markets, 2(3-4),Energy Strategy Reviews, 273-288.
  25. S. Moryadee, S.A. Gabriel, F. Rehulka, 2014. “The Influence of the Panama Canal on Global Gas Trade  Journal of Natural Gas Science and Engineering, 20, 161-174.
  26. Iliana Ilieva and S.A. Gabriel, 2014. “Electricity Retailer’s Behavior in a Highly Competitive and Nordic Electricity Market,” The Journal of Energy Markets, 7(4), 17-46.
  27. S. Moryadee and S.A. Gabriel, 2016. "Panama Canal Expansion: Will Panama Canal be a Game Changer for LNG Exports to Asia?," online ASCE Journal of Energy Engineering.
  28. S. Siddiqui and S.A. Gabriel, 2016, Modeling Market Power in the U.S. Shale Gas Market,” Optimization and Engineering , 1-11, doi:10.1007/s11081-016-9310-9.
  29. B.R. Champion and S.A. Gabriel,"A Multistage Stochastic Energy Model with Endogenous Probabilities and a Rolling Horizon, August 2016, in press at Energy and Buildings.



    JOURNAL ARTICLES/BOOK CHAPTERS IN REVIEW
  1. C. U-tapao, S.A. Gabriel, C. Peot, and M. Ramirez, “A Stochastic MPEC for Sustainable Wastewater Management,” in review, 2013.
  2. M. R. Hesamzadeh, J. Rosellon, S. A. Gabriel, "A Profit-Maximizing Approach for Transmission Expansion Planning using a Revenue-Cap Incentive Mechanism," in review. Cahiers du GERAD G-2015-30, April 2015, http://wwwold.gerad.ca/en/publications/cahiers.php
  3. F. D. Fomeni, S.A. Gabriel, M. J. Anjos, "An RLT Approach for Solving the Binary-Constrained Mixed Linear Complementarity Problem, " in review. Cahiers du GERAD G-2015-60, June 2015, http://wwwold.gerad.ca/en/publications/cahiers.php
  4. F. D. Fomeni, S.A. Gabriel, M. J. Anjos, "Applications of Logic Constrained Equilibria to Traffic Networks and to Power Systems with Storage, September 2016.
  5. B. R. Champion and S.A. Gabriel,  Risk-based Multistage Stochastic Energy Conservation Project Selection, October 2016.
  6. S.A. Gabriel, J. Schaperow, M. Siemann, J. Crawford, "A Simulation-Based Model for Optimal Demand Response Load-Shifting: Case Study for the Texas Power Market," in review, January 2017.
  7. K. Dächert, S. Siddiqui, J. Saez-Gallego, S.A. Gabriel, J.M. Morales, “A bicriteria perspective on L-Penalty Approaches –A corrigendum to Siddiqui and Gabriel’s L-Penalty Approach for Solving MPECs,” in review, April 2017.

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REFEREED ARTICLES IN BOOKS & CONFERENCE PROCEEDINGS

  1. S. A. Gabriel and J. J. More, 1997. "Smoothing of Mixed Complementarity Problems," 105-116 in Complementarity and Variational Problems State of the Art, SIAM, Proceedings of the International Conference on Complementarity Problems, The Johns Hopkins University, Baltimore, Maryland.
  2. Jifang Zhuang, Michael J. Casey, Stuart D. Milner, Steven A. Gabriel, and Gregory Baecher. Multi-Objective Optimization Techniques In Topology Control Of Free Space Optical Networks. Proc. IEEE MILCOM, November, 2004.
  3. S.A. Gabriel, Energy Market Equilibria Expressed as Complementarity Problems, December 2008.

ARTICLES IN UNREFEREED CONFERENCE PROCEEDINGS, DISCUSSANT ARTICLES, TRADE JOURNAL ARTICLES, MANUSCRIPTS, AND SELECTED TECHNICAL CONSULTING REPORTS

  1. K. Bozdogan, S. A. Gabriel, 1985. "Econometric and Statistical Analyses of the Effectiveness of Generic Advertising for Fluid Milk, Cheese and Butter," Arthur D. Little, Inc. Technical Report for the National Dairy Promotion and Research Board, May.
  2. Report to Congress on the Dairy Promotion Program, 1985. United States Department of Agriculture Report, July.
  3. S. A. Gabriel, 1985. "Data Base for the ATAM Software Package," Arthur D. Little, Inc. Technical Report, December.
  4. K. Bozdogan, S. A. Gabriel, 1986. "Econometric Analyses of the Effectiveness of Generic Advertising for Fluid Milk, Cheese and Butter Demand," Arthur D. Little, Inc. Technical Report for the National Dairy Promotion and Research Board, May.
  5. Report to Congress on the Dairy Promotion Program, 1986. United States Department of Agriculture Report, July.
  6. Analysis of the Frequency Smoothing Constant, 1986. Arthur D. Little, Inc. Internal Memorandum concerning Order Process Calculations (client's name withheld), August.
  7. Report to client regarding optimization of landfill and quarry operations (client's name withheld), 1987. Arthur D. Little, Inc. Technical Report, April.
  8. S. A. Gabriel, 1988. "Analysis of Service Performance," Arthur D. Little, Inc. Technical Report, Washington, DC, June.
  9. S. A. Gabriel, 1988. "An Analysis of Service Performance," Arthur D. Little, Inc. Technical Report, Washington, DC, September.
  10. S. A. Gabriel, 1990. "Estimation of 3 Digit to 5 Digit Mail Volume Densities," Arthur D. Little, Inc. Internal Memorandum, Washington, DC, July 1990.
  11. S. A. Gabriel, 1990. "Some Ideas on Optimization on the Transportation Network," Arthur D. Little, Inc., Internal Memorandum for U. S. Postal client, Washington, DC, July.
  12. S. A. Gabriel, 1991. " Analysis of One-Day Service Performance, Arthur D. Little, Inc. Technical Report, Washington, DC, September.
  13. S. A. Gabriel, 1993. "Literature Survey for Solving Convergence Issues in NEMS Final Report Subtask 1," Technical Report, prepared for the U.S. Department of Energy as part of a subcontracting assignment with Decision Analysis Corporation of Virginia, Contract # DE-AC01-92EI21946, Task 93-064C, September.
  14. S. A. Gabriel, 1993. " Analysis of Convergence Conditions for NEMS Final Report Subtask 2," Technical Report, prepared for the U.S. Department of Energy as part of a subcontracting assignment with Decision Analysis Corporation of Virginia, Contract # DE-AC01-92EI21946, Task 93-064C, October.
  15. S. A. Gabriel, 1993. "Investigation of Robust Algorithms for Solving a Nonlinear Complementarity Formulation of NEMS Final Report Subtask 3," Technical Report, prepared for the U.S. Department of Energy as part of a subcontracting assignment with Decision Analysis Corporation of Virginia, Contract # DE-AC01-92EI21946, Task 93-064C, December.
  16. S. A. Gabriel, 1994. "Implementation Results of Proposed Modifications to Accelerate the Convergence of NEMS Final Report Subtask 4," Technical Report, prepared for the U.S. Department of Energy as part of a subcontracting assignment with Decision Analysis Corporation of Virginia, Contract # DE-AC01-92EI21946, Task 93-064C, May.
  17. S. A. Gabriel, 1994. "Implementation Results of Proposed Modifications to Accelerate the Convergence of the Electricity Fuel Dispatch Module of NEMS Report Subtask 5," Technical Report, prepared for the U.S. Department of Energy as part of a subcontracting assignment with Decision Analysis Corporation of Virginia, Contract # DE-AC01-92EI21946, Task 93-064C, June.
  18. S. A. Gabriel and A. S. Kydes, 1995. "A Nonlinear Complementarity Approach for the National Energy Modeling System," preprint MCS-P504-0395, Mathematics and Computer Science Division, Argonne National Laboratory, March.
  19. S. Vikas, S. A. Gabriel, H. Mohan, and A. B. Becker, 1996. "Development and Testing of a Comprehensive Gas Storage Reservoir Performance Model," in the proceedings of the Society for Petroleum Engineers, # 37342, Eastern Regional Meeting, Columbus, Ohio, October.
  20. S. A. Gabriel, S. Vikas, M. Godec, and W. Pepper, 1996. "A Reservoir-Based Model for Forecasting Natural Gas Supply, Demand, and Prices in the North American Gas Market," in the Proceedings of the 17th Annual North American Conference, United States Association for Energy Economics/International Association for Energy Economics, Boston, Massachusetts, 399-408, October.
  21. S. A. Gabriel, 1996. Report on the Applicability of PowerWorld for Use with the National Energy Modeling System, ICF Kaiser International, Inc., prepared for the U. S. Department of Energy, Contract # DE-AP01-96EI29130, December.
  22. S .A. Gabriel, 1996. "Gas Model Engine," OR/MS Today, December
  23. S. A. Gabriel, D. Ribar, W. I. Willis, E. F. Hardy, R. E. Baron, 1998. "The Influence of Canadian Carbon Stabilization Programs on Natural Gas Exports to the United States," in Proceedings of the International Association for Energy Economics, 21st Annual Conference, Québec, Canada, vol. 1, 1-10, May.
  24. Natural Gas Industry Issues in a High Natural Gas Demand World, 1999. submitted to Office of Air and Radiation, U.S. Environmental Protection Agency, Washington, DC, (ICF Kaiser Contract # 67777-213-08), February.
  25. S. A. Gabriel, S. Vikas, and D. M. Ribar, 1999. "Natural Gas Issues In a High Natural Gas Demand World," in the Proceedings of the 20th Annual North American Conference, United States Association for Energy Economics/International Association for Energy Economics, Orlando, Florida, August 29-September 1.
  26. J. P. Brashear, A. B. Becker, and S. A. Gabriel, 1999. "Interdependencies Among E&P Projects and Portfolio Risk Management," SPE 56574, forthcoming in the proceedings of the Society for Petroleum Engineers, # 56574, SPE Annual Meeting, Dallas, Texas, October 3-6.
  27. J. P. Brashear, A. B. Becker, and S. A. Gabriel, 2000. "Managing Scenario Risk in Offshore Development Projects Combining Portfolio Analysis with Scenario Modeling," Offshore, pp.122-124, January.
  28. S. A. Gabriel, 2001. discussant for "Mathematical Programming and Electricity Markets," A. J. Conejo and F. J. Prieto, Sociedad de Estadística e Investigación Operativa TOP, Vol. 9, No. 1, 30-33.
  29. S. A. Gabriel, J. Manik , S. Vikas, E. F. Hardy, 2001. "An Intertemporal, Market Equilibrium Model of the North American Natural Gas System Using Reservoir-Level Data," (pdf file for manuscript, July 28).
  30. S. A. Gabriel, J.A. Faria, S. Kietnithiamorn, 2001. "Accelerating NEMS Convergence Using Theoretical & Numerical Methods," ASA/EIA Research Fellow Program Final Report, University of Maryland Account # 01431647, September 6.
  31. S. A. Gabriel, J.A. Faria, 2002. "Accelerating Convergence in NEMS Subtask 1.1 Progress Report," prepared for Energy Information Administration, U.S. Dept. of Energy, DOE Order #: DE-AP01-01EI37431.M001, January.
  32. S. A. Gabriel, J.A. Faria, 2002. "Accelerating Convergence in NEMS Subtask 1.2 Draft Progress Report," prepared for Energy Information Administration, U.S. Dept. of Energy, DOE Order #: DE-AP01-01EI37431.M001, January 28.
  33. S. A. Gabriel, J.A. Faria, 2002. "Accelerating Convergence in NEMS Subtask 1.2 Version 2 of the Draft Progress Report Analysis of Intra-Cycle Relaxation Weights for Key Variables," prepared for Energy Information Administration, U.S. Dept. of Energy, DOE Order #: DE-AP01-01EI37431.M001, March 5.
  34. S. A. Gabriel, J.A. Faria, 2002. "Accelerating Convergence in NEMS Subtask 1.3 Interim Report on Alternative Convergence Algorithms," prepared for Energy Information Administration, U.S. Dept. of Energy, DOE Order #: DE-AP01-01EI37431.M001, April 2.
  35. S. A. Gabriel, 2003 "Foreword: Special Issue on Energy," Networks and Spatial Economics, 3, 95.
  36. S. A. Gabriel, J. F. Zhuang, S. Kiet, 2004 "A Nash-Cournot Model for the North American Natural Gas Market," IAEE Conference Proceedings, Zurich, Switzerland, September.
  37. S. A. Gabriel, "Why International Natural Gas Markets Matter in Today's Energy and Environmental Picture", Resources for the Future, RFF Weekly Policy Commentary, http://www.rff.org/rff/News/Weekly_Policy_Commentary/2008_03_10_Natural_Gas_Markets.cfm, March 10, 2008.

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