Journal Publications:

  1. Rosenberger, J. M., A. J. Schaefer, D. Goldsman, E.L. Johnson, A.J. Kleywegt, and G.L. Nemhauser, “A Stochastic Model of Airline Operations,” 2002. Transportation Science, volume 36, number 4, pp. 357-377.

  2. Smith, J. C., A. J. Schaefer, and J. Yen, “A Stochastic Integer Programming Approach to Solving a Synchronous Optical Network Design Problem,” 2004. Networks, volume 44, number 1, pp. 12-26.

  3. Schaefer, L. A. and A. J. Schaefer, “Locating Hybrid Fuel Cell-Turbine Power Generation Units Under Uncertainty,” 2004. Annals of Operations Research, volume 132, pp. 301-332.

  4. Alagoz, O.†, L. M. Maillart, A. J. Schaefer and M. S. Roberts, “The Optimal Timing of Living-Donor Liver Transplantation,” 2004. Management Science, volume 50, number 10, pp. 1420-1430.

  5. Kreke, J.E.†, A. J. Schaefer and M. S. Roberts, “Simulation and Critical Care Modeling,” 2004. Current Opinion in Critical Care, volume 10, number 5, pp. 395-398.

  6. Shechter, S. M.†, C. L. Bryce, O. Alagoz†, J. E. Kreke†, J. E. Stahl, A. J. Schaefer, D. C. Angus, M. S. Roberts, “A Clinically Based Discrete Event Simulation of End-Stage Liver Disease and the Organ Allocation Process,” 2005. Medical Decision Making, volume 25, number 2, pp. 199-209.

  7. Stahl J.E., N. Kong†, S. M. Shechter†, A. J. Schaefer and M. S. Roberts, “A Methodological Framework for Optimally Reorganizing Liver Transplant Regions,” 2005. Medical Decision Making, volume 25, number 1, pp.35-46.

  8. Schaefer, A. J., E. L. Johnson, A. J. Kleywegt and G. L. Nemhauser, “Airline Crew Scheduling under Uncertainty,” 2005. Transportation Science, volume 39, number 3, pp. 340-348.

  9. Schaefer, A. J. and G. L. Nemhauser, “Improving Airline Operational Performance through Schedule Perturbation,” 2005. Annals of Operations Research volume 144 pp. 3-16.

  10. Alagoz, O.†, C. L. Bryce, S. M. Shechter†, A. J. Schaefer, C.-C. H. Chang, D. C. Angus, and M. S. Roberts, “Incorporating Biological Natural History in Simulation Models: Empiric Estimates of the Progression of End-Stage Liver Disease,” 2005. Medical Decision Making, volume 25, pages 620-632.

  11. Kong, N.†, A. J. Schaefer and B. K. Hunsaker, “Two-Stage Integer Programs with Stochastic Right-Hand Sides – A Superadditive Dual Approach,” 2006. Mathematical Programming volume 108, pp. 275-296.

  12. Kong, N.† and A. J. Schaefer, “A Factor ½ Approximation Algorithm for Two-Stage Stochastic Matching Problems,” 2006. European Journal of Operational Research volume 172, pp. 740-746.

  13. Bailey, M. D., S. M. Shechter† and A. J. Schaefer, “SPAR: Stochastic Programming with Adversarial Recourse,” 2006. Operations Research Letters volume 34, number 3 pp. 307-315.

  14. Shechter, S. M.†, A. J. Schaefer, R. S. Braithwaite, and M. S. Roberts, “Variance Reduction Techniques for Cohort Simulations,” 2006. Medical Decision Making volume 26, pp. 550-553.

  15. Braithwaite R. S., S. M. Shechter†, M. S. Roberts, A. J. Schaefer, D. R. Bangsberg, P. R. Harrigan, A. C. Justice, “Explaining Variability in the Relationship between Antiretroviral Adherence and HIV Accumulation,” 2006. Journal of Antimicrobial Chemotherapy volume 58, pp. 1036-1043.

  16. Alagoz, O.†, L. M. Maillart, A. J. Schaefer, and M. S. Roberts, “Determining the Acceptance of Cadaveric Livers Using an Implicit Model of the Waiting List,” 2007. Operations Research volume 55, number 1, pp. 24-36. Online Supplement.

  17. Braithwaite, R. S., S. M. Shechter†, C.-C. Chang, A. J. Schaefer and M. S. Roberts, “Estimating the Rate of Accumulating Drug Resistance Mutations in the HIV Genome,” 2007. Value in Health volume 10, number 3, pp. 204-213.

  18. Braithwaite R. S., M. S. Roberts, J. Conigliaro, S. M. Shechter†, A. J. Schaefer, K. McGinnis, M. Rodriguez, L. Rabeneck, K. Bryant and A. C. Justice, “Estimating the impact of alcohol consumption on survival for HIV+ individuals in the Veterans Aging Cohort Study,” 2007. AIDS Care volume 19, number 4, pp. 459-466.

  19. Alagoz, O.†, L. M. Maillart, A. J. Schaefer, and M. S. Roberts, “Choosing among Cadaveric and Living-Donor Livers,” 2007. Management Science volume 53, number 11, pp. 1702-1715.

  20. Saka, G.†, J. E. Kreke†, A. J. Schaefer, D. C. Angus and M. S. Roberts, "Predicting Disease Progression using Dynamic Microsimulation in Pneumonia-related Sepsis," 2007. Critical Care 11:R65.

  21. Braithwaite, R.S., M. S. Roberts, C.C. Chang, M. Goetz, C. Gilbert, M. Rodriguez, S. Shechter†, A. J. Schaefer, K. Nucifora, R. Koppenhaver†, and A. Justice, “The influence of alternative thresholds for initiating HIV treatment on life expectancy and quality-adjusted life expectancy: a decision model,” 2008. Annals of Internal Medicine volume 148, number 3, pp. 178-185.

  22. Shechter, S. M.†, M. D. Bailey, A. J. Schaefer, and M. S. Roberts, “The Optimal Time to Initiate HIV Therapy under Ordered Health States,” 2008. Operations Research volume 56, number 1, pp. 20-33. Online Supplement.

  23. Shechter, S. M.†, M. D. Bailey, and A. J. Schaefer, "A Modeling Framework for Replacing Medical Therapies," 2007. IIE Transactions volume 40, number 9, pp. 861-869.

  24.  Kreke, J. E.†, M. D. Bailey, A. J. Schaefer, M. S. Roberts and D. C. Angus, “Modeling Hospital Discharge Policies for Patients with Pneumonia-Related Sepsis,” 2008. IIE Transactions volume 40, number 9, pp 853-860.

  25. Stahl, J. E., J. E. Kreke†, F. Abdulmalek, A. J. Schaefer, and J. Vacanti “Consequences of Cold-Ischemia Time on Primary Nonfunction and Patient and Graft Survival in Liver Transplantation: A Meta-Analysis,” 2008. PLoS ONE volume 3, number 6: e2468 doi:10.1371/journal.pone.0002468.

  26. Shechter, S. M.†, M. D. Bailey, and A. J. Schaefer, “Replacing Nonidentical Vital Components to Extend System Life,.” 2008. Naval Research Logistics volume 55, number 7, pp. 700-703.

  27. Sandikci, B.†, L. M. Maillart, A. J. Schaefer, O. Alagoz† and M. S. Roberts, "Estimating the Patient's Price of Privacy in Liver Transplantation," 2008. Operations Research volume 56, number 6, pp. 1393-1410.

  28. Rajgopal, J., Z. Wang†, A. J. Schaefer, and O. Prokopyev, "Effective Management Policies for Remnant Inventory Supply Chains," 2009. IIE Transactions volume 41, number 5, pp. 437-447.

  29. Taskin, Z. C., J. C. Smith, S. Ahmed and A. J. Schaefer, "Cutting Plane Algorithms for Solving a Stochastic Edge Partition Problem," 2009. Discrete Optimization volume 6, number 4, pp. 420-435.

  30. Schaefer, A. J., "Inverse Integer Programming," 2009. Optimization Letters volume 3, number 4, pp. 483-489.

  31. Alagoz, O.†, H. Hsu, A. J. Schaefer, and M. S. Roberts, “Markov Decision Processes: A Tool for Sequential Decision Making under Uncertainty,” 2009. To appear in Medical Decision Making.

Book Chapters:

  1. Schaefer, A. J., M. D. Bailey, S. M. Shechter†, and M. S. Roberts, “Modeling Medical Treatment using Markov Decision Processes,” 2004. In Handbook of Operations Research/Management Science Applications in Health Care, Kluwer Academic Publishers, M. Brandeau, F. Sainfort, and W. Pierskalla, eds, pp. 597-616.

  2. Alagoz, O.†, Schaefer, A. J., and M. S. Roberts, “Optimization in Organ Allocation,” 2009. In Handbook of Optimization in Medicine, P. Pardalos and E. Romeijn, Editors. Kluwer Academic Publishers.

Papers under Review/Revision:           

  1. Kong, N.†, A. J. Schaefer, and S. Ahmed, “Totally Unimodular Stochastic Programs.”

  2. Demirci, M. C.†, B. K. Hunsaker, A. J. Schaefer and J. M. Rosenberger, “Column Generation within the L-Shaped Method for Stochastic Linear Programs.” 

  3. Trukhanov, S., L. Ntaimo and A. J. Schaefer, "On Adaptive Multicut Aggregation for Two-Stage Stochastic Linear Programs with Recourse."

  4. Kong, N.†, A. J. Schaefer, B. K. Hunsaker and M. S. Roberts, "Maximizing the Efficiency of the U. S. Liver Allocation System through Region Design."

  5. Kreke, J. E.†, M. D. Bailey, A. J. Schaefer, D. C. Angus, and M. S. Roberts, "Modeling Testing and Discharge Decisions for Pneumonia and Sepsis Patients."

  6. Shechter, S. M.†, M. D. Bailey, A. J. Schaefer, and M. S. Roberts, "Are Threshold Policies Sufficient for the Optimal Timing of HIV Treatment?"

  7. Kurt, M.†, B. Denton, A. J. Schaefer, N. Shah and S. Smith, "At What Lipid Ratios Should a Patient with Type 2 Diabetes Initiate Statins?"

  8. Rajgopal, J., Z. Wang†, A. J. Schaefer, and O. Prokopyev, "Integrated Design and Operation of Remnant Inventory Supply Chains under Uncertainty."

  9. Φzaltĭn, O.†, M. P. Johnson, and A. J. Schaefer, "Senior Center Network Redesign under Demand Uncertainty."

  10. Batun, S.†, B. T. Denton, T. R. Huschka, and A. J. Schaefer, "The Benefit of Pooling Operating Rooms and Parallel Surgery Processing under Uncertainty."

  11. Sandikci, B.†, N. Kong†, and A. J. Schaefer, "A Hierarchy of Bounds for Stochastic Mixed-Integer Programs."

  12. Φzaltĭn, O.†, B. K. Hunsaker, and A. J. Schaefer, “Predicting the Solution Time of Branch-and-Bound Algorithms for Mixed-Integer Programs.” Online supplement.

  13. Φzaltĭn, O.†, O. A. Prokopyev, and A. J. Schaefer, "Two-stage Quadratic Integer Programs with Stochastic Right-hand Sides."

  14. Shah, N. D., B. T. Denton, M. Kurt†, A. J. Schaefer, S. A. Smith, and V. M. Montori, “Efficiency of Guidelines for the Management of Hyperlipidemia and Hypertension for Type 2 Diabetes Patients.”

  15. Demirci, M. C.†, A. J. Schaefer, H. E. Romeijn, and M. S. Roberts, “An Exact Method for Balancing Efficiency and Equity in the Liver Allocation Hierarchy.”

  16. Kaufman, D. L. and A. J. Schaefer, “Robust Modified Policy Iteration.”

† Denotes one of my PhD students.