My PhD dissertation primarily focuses on two streams of research: Mass Customization and Electricity Peak Load Demand Management. I have also been working on Multiple Objective Optimization since 2012 and Assembly Line Balancing since 2010. 

Under Review and Published Papers

1. Fattahi, A., Dasu, S., Ahmadi, R. (2018) Mass Customization and “Forecasting Options’ Penetration Rates Problem.” Operations Research. Accepted. Download
   • Finalist. POMS College of Supply Chain Management 2018 Best Student Paper Competition.
2. Fattahi, A., Dasu, S., Ahmadi, R. (2018) The Weighted Non-Negative Least-Squares Problem with Implicitly Characterized Points. Operations Research. Accepted. Download.
3. Fattahi, A., Dasu, S., Ahmadi, R. (2018) Mass Customization and Parts’ Capacity Planning Problem. 1st major revision submitted to Operations Research. Download.
4. Fattahi, A., Dasu, S., Ahmadi, R. (2018) Peak Load Energy Management by Direct Load Control Contracts. 2nd major revision submitted to Operations Research. Download.
   • 2nd Place. POMS College of Sustainable Operations 2018 Best Student Paper Competition.
   • Totty, M (2018) A More Efficient Way to Help Utilities Share the Inconvenience of Power Outages: A model by Reza Ahmadi and Ali Fattahi could enable power companies to lower the cost of peak electricity. UCLA Anderson Review, January 17, 2018. Link
5. Rasmi, S. A. B., Fattahi, A., Turkay, M. (2018) SASS: Slicing with Adaptive Steps Search Method for Finding All Non-Dominated Solutions of Tri-Objective Mixed-Integer Linear Programming Problems. Major revision invited to Annals of Operations Research.
6. Fattahi, A., Turkay, M. (2018) A One Direction Search Method to Find the Exact Nondominated Frontier of Biobjective Mixed-Binary Linear Programming Problems. European Journal of Operational Research. 266(2): 415-425.
7. Fattahi, A., Turkay, M. (2015) On the MILP model for the U-shaped assembly line balancing problems. European Journal of Operational Research. 242(1): 343-346.
8. Fattahi, A., Turkay, M. (2015) ε-OA for the solution of bi-objective generalized disjunctive programming problems in the synthesis of nonlinear process networks. Computers & Chemical Engineering. 72: 199-209.
9. Fattahi, A., Elaoud, S., Sadeqi Azer, E., Turkay, M. (2014) A novel integer programming formulation with logic cuts for the U-shaped assembly line balancing problem. International Journal of Production Research. 52(5): 1318-1333. 

Peer Reviewed Conference Proceedings

1. Rasmi, SAB, Fattahi, A, Turkay, M (2017) An exact algorithm to find non-dominated facets of Tri-Objective MILPs. The 12th International Conference on Multiple Objective Programming and Goal Programming, October 30-31, Metz, France. Download

Working Papers

1. Mass Customization and the End-of-Horizon Portfolio Optimization Problem.
2. Fair Implementation of Interruptible Demand Response Programs.

Conferences Presentations

1. Mass Customization and “Forecasting Options’ Penetration Rates Problem.”
   • MSOM 2018, July 1-3, Dallas, TX.
   • SoCal OR/OM Day, May 18, 2018, Los Angeles, CA.
   • POMS 2018, May 4-7, Houston, TX.
2. Peak Load Energy Management by Direct Load Control Contracts.
   • POMS 2018, May 4-7, Houston, TX.
   • INFORMS 2017, October 22-25, Houston, TX.
   • MSOM 2017, June 20-21, Chapel Hill, NC.
   • POMS 2017, May 5-8, Seattle, WA.
3. Bi-Objective Hub Location-Allocation Problem: Min. Cost and Min. CO2 Emissions.
   • International IIE Conference, June 26-28, 2013, Istanbul, Turkey.
4. A Novel Integer Programming Formulation for U-Shaped Line Balancing Problems Type-1.
   • 21st ISMP, 19-24 August, 2012, Berlin, Germany.
5. Road-Rail-Sea Hub Location-Allocation with Sustainability Considerations.
   • EURO 2012 (EURO xxv), 8-11 July, Vilnius, Lithuania.