Andrew J. Schaefer

According to our database, Andrew J. Schaefer authored at least 59 papers between 2000 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Evaluating mixed-integer programming models over multiple right-hand sides.

Rachael M. Alfant, Temitayo Ajayi, Andrew J. Schaefer

Oper. Res. Lett., July, 2023

A note on the implications of approximate submodularity in discrete optimization.

Temitayo Ajayi, Taewoo Lee, Andrew J. Schaefer

Optim. Lett., 2023

Markov Decision Process Design: A Framework for Integrating Strategic and Operational Decisions.

Seth Brown, Saumya Sinha, Andrew J. Schaefer

CoRR, 2023

2022

Reinforcement learning of simplex pivot rules: a proof of concept.

Varun Suriyanarayana, Onur Tavaslioglu, Ankit B. Patel, Andrew J. Schaefer

Optim. Lett., 2022

The Gap Function: Evaluating Integer Programming Models over Multiple Right-Hand Sides.

Temitayo Ajayi, Christopher Thomas, Andrew J. Schaefer

Oper. Res., 2022

Objective Selection for Cancer Treatment: An Inverse Optimization Approach.

Temitayo Ajayi, Taewoo Lee, Andrew J. Schaefer

Oper. Res., 2022

2021

A Gilmore-Gomory construction of integer programming value functions.

Seth Brown, Wenxin Zhang, Temitayo Ajayi, Andrew J. Schaefer

Oper. Res. Lett., 2021

2020

Relating single-scenario facets to the convex hull of the extensive form of a stochastic single-node flow polytope.

David T. Mildebrath, Victor Gonzalez, Mehdi Hemmati, Andrew J. Schaefer

Oper. Res. Lett., 2020

Theorems of the alternative for conic integer programming.

Temitayo Ajayi, Varun Suriyanarayana, Andrew J. Schaefer

Oper. Res. Lett., 2020

Mitigating Information Asymmetry in Liver Allocation.

Sepehr Nemati, Zeynep G. Icten, Lisa M. Maillart, Andrew J. Schaefer

INFORMS J. Comput., 2020

Optimal jersey retirement in the National Basketball Association.

David T. Mildebrath, Wendy Knight, Andrew J. Schaefer

IISE Trans., 2020

2019

Optimizing over pure stationary equilibria in consensus stopping games.

Amin Dehghanian, Murat Kurt, Andrew J. Schaefer

Math. Program. Comput., 2019

Solving Stochastic and Bilevel Mixed-Integer Programs via a Generalized Value Function.

Onur Tavaslioglu, Oleg A. Prokopyev, Andrew J. Schaefer

Oper. Res., 2019

2018

On the structure of the inverse-feasible region of a linear program.

Onur Tavaslioglu, Taewoo Lee, Silviya Valeva, Andrew J. Schaefer

Oper. Res. Lett., 2018

Optimal Design of the Seasonal Influenza Vaccine with Manufacturing Autonomy.

Osman Y. Özaltin, Oleg A. Prokopyev, Andrew J. Schaefer

INFORMS J. Comput., 2018

2016

Superadditive characterizations of pure integer programming feasibility.

Amin Dehghanian, Andrew J. Schaefer

Optim. Lett., 2016

The Surgical Patient Routing Problem: A Central Planner Approach.

Sepehr Nemati, Oleg V. Shylo, Oleg A. Prokopyev, Andrew J. Schaefer

INFORMS J. Comput., 2016

2015

Totally unimodular multistage stochastic programs.

Ruichen (Richard) Sun, Oleg V. Shylo, Andrew J. Schaefer

Oper. Res. Lett., 2015

A polyhedral characterization of the inverse-feasible region of a mixed-integer program.

Jourdain B. Lamperski, Andrew J. Schaefer

Oper. Res. Lett., 2015

The Price of Nonabandonment: HIV in Resource-Limited Settings.

Amin Khademi, Denis Sauré, Andrew J. Schaefer, Ronald S. Braithwaite, Mark S. Roberts

Manuf. Serv. Oper. Manag., 2015

2013

A hierarchy of bounds for stochastic mixed-integer programs.

Burhaneddin Sandikçi, Nan Kong, Andrew J. Schaefer

Math. Program., 2013

Totally unimodular stochastic programs.

Nan Kong, Andrew J. Schaefer, Shabbir Ahmed

Math. Program., 2013

Alleviating the Patient's Price of Privacy Through a Partially Observable Waiting List.

Burhaneddin Sandikçi, Lisa M. Maillart, Andrew J. Schaefer, Mark S. Roberts

Manag. Sci., 2013

On a Level-Set Characterization of the Value Function of an Integer Program and Its Application to Stochastic Programming.

Andrew C. Trapp, Oleg A. Prokopyev, Andrew J. Schaefer

Oper. Res., 2013

Stochastic Operating Room Scheduling for High-Volume Specialties Under Block Booking.

Oleg V. Shylo, Oleg A. Prokopyev, Andrew J. Schaefer

INFORMS J. Comput., 2013

Robust Modified Policy Iteration.

David L. Kaufman, Andrew J. Schaefer

INFORMS J. Comput., 2013

2012

Two-stage quadratic integer programs with stochastic right-hand sides.

Osman Y. Özaltin, Oleg A. Prokopyev, Andrew J. Schaefer

Math. Program., 2012

An Exact Method for Balancing Efficiency and Equity in the Liver Allocation Hierarchy.

Mehmet C. Demirci, Andrew J. Schaefer, H. Edwin Romeijn, Mark S. Roberts

INFORMS J. Comput., 2012

The case against utilization: deceptive performance measures in inpatient care capacity models.

K. Louis Luangkesorn, Theologos Bountourelis, Andrew J. Schaefer, Spencer G. Nabors, Gilles Clermont

Proceedings of the Winter Simulation Conference, 2012

Sensitivity analysis of an ICU simulation model.

Theologos Bountourelis, David J. Eckman, K. Louis Luangkesorn, Andrew J. Schaefer, Spencer G. Nabors, Gilles Clermont

Proceedings of the Winter Simulation Conference, 2012

2011

Optimizing the Societal Benefits of the Annual Influenza Vaccine: A Stochastic Programming Approach.

Osman Y. Özaltin, Oleg A. Prokopyev, Andrew J. Schaefer, Mark S. Roberts

Oper. Res., 2011

Predicting the Solution Time of Branch-and-Bound Algorithms for Mixed-Integer Programs.

Osman Y. Özaltin, Brady Hunsaker, Andrew J. Schaefer

INFORMS J. Comput., 2011

Operating Room Pooling and Parallel Surgery Processing Under Uncertainty.

Sakine Batun, Brian T. Denton, Todd R. Huschka, Andrew J. Schaefer

INFORMS J. Comput., 2011

Integrated design and operation of remnant inventory supply chains under uncertainty.

Jayant Rajgopal, Zhouyan Wang, Andrew J. Schaefer, Oleg A. Prokopyev

Eur. J. Oper. Res., 2011

Managing patient backlog in a surgical suite that uses a block-booking scheduling system.

Oleg V. Shylo, K. Louis Luangkesorn, Oleg A. Prokopyev, Jayant Rajgopal, Andrew J. Schaefer

Proceedings of the Winter Simulation Conference 2011, 2011

A biologically based discrete-event simulation model of liver transplantation in the United States for pediatric and adult patients.

Aditya K. Iyer, Andrew J. Schaefer, Cindy L. Bryce, Gabriel L. Zenarosa, Chung-Chou Ho Chang, Mark S. Roberts

Proceedings of the Winter Simulation Conference 2011, 2011

Development and validation of a large scale ICU simulation model with blocking.

Theologos Bountourelis, K. Louis Luangkesorn, Andrew J. Schaefer, Lisa M. Maillart, Spencer G. Nabors, Gilles Clermont

Proceedings of the Winter Simulation Conference 2011, 2011

2010

The bilevel knapsack problem with stochastic right-hand sides.

Osman Y. Özaltin, Oleg A. Prokopyev, Andrew J. Schaefer

Oper. Res. Lett., 2010

Maximizing the Efficiency of the U.S. Liver Allocation System Through Region Design.

Nan Kong, Andrew J. Schaefer, Brady Hunsaker, Mark S. Roberts

Manag. Sci., 2010

Eliciting Patients' Revealed Preferences: An Inverse Markov Decision Process Approach.

Zeynep Erkin, Matthew D. Bailey, Lisa M. Maillart, Andrew J. Schaefer, Mark S. Roberts

Decis. Anal., 2010

2009

Inverse integer programming.

Andrew J. Schaefer

Optim. Lett., 2009

Cutting plane algorithms for solving a stochastic edge-partition problem.

Z. Caner Taskin, J. Cole Smith, Shabbir Ahmed, Andrew J. Schaefer

Discret. Optim., 2009

A Simulation Model of HIV Treatment under Drug Scarcity Constraints.

Robert T. Koppenhaver, Andrew J. Schaefer, R. Scott Braithwaite, Mark S. Roberts

Proceedings of the 2009 Winter Simulation Conference, 2009

2008

The Optimal Time to Initiate HIV Therapy Under Ordered Health States.

Steven M. Shechter, Matthew D. Bailey, Andrew J. Schaefer, Mark S. Roberts

Oper. Res., 2008

Estimating the Patient's Price of Privacy in Liver Transplantation.

Burhaneddin Sandikçi, Lisa M. Maillart, Andrew J. Schaefer, Oguzhan Alagöz, Mark S. Roberts

Oper. Res., 2008

2007

Choosing Among Living-Donor and Cadaveric Livers.

Oguzhan Alagöz, Lisa M. Maillart, Andrew J. Schaefer, Mark S. Roberts

Manag. Sci., 2007

Determining the Acceptance of Cadaveric Livers Using an Implicit Model of the Waiting List.

Oguzhan Alagöz, Lisa M. Maillart, Andrew J. Schaefer, Mark S. Roberts

Oper. Res., 2007

2006

SPAR: stochastic programming with adversarial recourse.

Matthew D. Bailey, Steven M. Shechter, Andrew J. Schaefer

Oper. Res. Lett., 2006

Two-stage integer programs with stochastic right-hand sides: a superadditive dual approach.

Nan Kong, Andrew J. Schaefer, Brady Hunsaker

Math. Program., 2006

A factor 1/2 approximation algorithm for two-stage stochastic matching problems.

Nan Kong, Andrew J. Schaefer

Eur. J. Oper. Res., 2006

Improving airline operational performance through schedule perturbation.

Andrew J. Schaefer, George L. Nemhauser

Ann. Oper. Res., 2006

2005

Airline Crew Scheduling Under Uncertainty.

Andrew J. Schaefer, Ellis L. Johnson, Anton J. Kleywegt, George L. Nemhauser

Transp. Sci., 2005

2004

A stochastic integer programming approach to solving a synchronous optical network ring design problem.

J. Cole Smith, Andrew J. Schaefer, Joyce W. Yen

Networks, 2004

The Optimal Timing of Living-Donor Liver Transplantation.

Oguzhan Alagöz, Lisa M. Maillart, Andrew J. Schaefer, Mark S. Roberts

Manag. Sci., 2004

Locating Hybrid Fuel Cell-Turbine Power Generation Units under Uncertainty.

Laura A. Schaefer, Andrew J. Schaefer

Ann. Oper. Res., 2004

Modeling the Progression and Treatment of HIV.

Steven M. Shechter, Andrew J. Schaefer, R. Scott Braithwaite, Mark S. Roberts

Proceedings of the 36th conference on Winter simulation, 2004

2002

A Stochastic Model of Airline Operations.

Jay M. Rosenberger, Andrew J. Schaefer, David Goldsman, Ellis L. Johnson, Anton J. Kleywegt, George L. Nemhauser

Transp. Sci., 2002

Methods for special applications: incorporating biology into discrete event simulation models of organ allocation.

Jennifer Kreke, Andrew J. Schaefer, Derek C. Angus, Cindy L. Bryce, Mark S. Roberts

Proceedings of the 34th Winter Simulation Conference: Exploring New Frontiers, 2002

2000

Air transportation simulation: SimAir: a stochastic model of airline operations.

Jay M. Rosenberger, Andrew J. Schaefer, David Goldsman, Ellis L. Johnson, Anton J. Kleywegt, George L. Nemhauser

Proceedings of the 32nd conference on Winter simulation, 2000