Completed and Ongoing Research

  • G. Erdoğan, D. Lagana, R. Musmanno, F. Pio Romeo. Optimization of Locker Management During Peak Demand Periods. Work in Progress.
  • O. Safak, G. Erdoğan: Ambulance Location and Queuing Problem. Submitted to European Journal of Operational Research, first round of revision.
  • G. Erdoğan, E. Yücel, P. Kiavash, F.S. Salman: Fair and effective vaccine allocation during a pandemic. Socio-Economic Planning Sciences, 93, 101895 (2024).
  • M.G. Avcı, M. Avcı, M. Battarra, G. Erdoğan: The Wildfire Suppression Problem with coordination of multiple types of resources. European Journal of Operational Research 316(2), 488–502 (2024).
  • C. T. Cicek, C. Koc, H. Gultekin, G. Erdoğan: Communication-aware Drone Delivery Problem. IEEE Intelligent Transportation Systems Transactions, 25, 9168–9180 (2024).
  • C. T. Cicek, G. Erdoğan: Open-Source Software for OR. Journal of the Operational Research Society, 75, 423–617 (2024).
  • O. Safak Aydıner, G. Erdoğan: An Open-Source Decision Support System for Container Load Planning. Computers & Operations Research, 154, 106199 (2023).
  • O. Thomasson, M. Battarra, G. Erdoğan, G. Laporte: Pallet Location and Job Scheduling in a Twin-Robot System. Computers & Operations Research, 147, 105956 (2022).
  • E. Yücel, F.S. Salman, G. Erdoğan: Optimizing Two-Dimensional Vehicle Loading and Dispatching Decisions in Freight Logistics, European Journal of Operational Research, 302, 954-969 (2022).
  • G. Erdoğan, A.M. Rodríguez Chía, M. Battarra: The Hub Location and Pricing Problem, European Journal of Operational Research, 301, 1035-1047 (2022).
  • M. H. Akyüz, I. Muter, G. Erdoğan, G. Laporte: Minimum Cost Delivery of Multi-item Orders in E-Commerce Logistics. Computers & Operations Research, 138, 105613 (2022).
  • G. Erdoğan: The Ethical Shortlisting Problem. Computers & Operations Research, 138, 105593 (2022).
  • R. Kian, G. Erdoğan, S. de Leeuw, F.S. Salman, E. Sabet, B. Y.Kara, M.H. Demir: Logistics planning of cash transfer to Syrian refugees in Turkey. European Journal of Operational Research, 296, 1007-1024 (2022).
  • M. Battarra, F. Fraboni, O. Thomasson, G. Erdoğan, G. Laporte, M. Formentini: Algorithms for the Calzedonia workload allocation problem. Journal of the Operational Research Society, 72, 2004-2017 (2021).
  • H. Zhou, Q. Yang, E. Gul, M. Shi, J. Li, M. Yang, H. Yang, B. Chen, H. Zhao, Y. Yan, G. Erdoğan, P. Bartocci, F. Fantozzi: Decarbonizing university campuses through the production of biogas from food waste: An LCA analysis. Renewable Energy, 176, 565-578 (2021).
  • G. Erdoğan, E.A. Yildirim: Exact and Heuristic Algorithms for the Carrier-Vehicle Traveling Salesman Problem. Transportation Science, 55. 101-121 (2021).
  • G. Erdoğan, N. Stylianou, C. Vasilakis: An open source decision support system for facility location analysis. Decision Support Systems, 125, 113-116 (2019).
  • I. Karaoğlan, G. Erdoğan, C. Koc: The Multi-Vehicle Probabilistic Covering Tour Problem. European Journal of Operational Research, 271, 278-287 (2018).
  • O. Thomasson, M. Battarra, G. Erdoğan, G. Laporte: Scheduling Twin Robots in a Palletising Problem. International Journal of Production Research, 56, 518-542 (2018).
  • A. Corberan, G. Erdoğan, G. Laporte, I. Plana, J.M. Sanchis: The Chinese Postman Problem with Load-dependent Costs. Transportation Science, 52, 370-385 (2018).
  • M. Melo, G. Erdoğan, M. Battarra, V. Strusevich: The Block Retrieval Problem. European Journal of Operational Research, 265: 931-950 (2018).
  • T. Bulhoes, A. Subramanian, G. Erdoğan, G. Laporte: The static bike relocation problem with multiple vehicles and visits. European Journal of Operational Research, 264: 508-523 (2018).
  • O.Ö. Özener, M. Örmeci, G. Erdoğan, M. Haouari, H. Sözer: Solving a Large-Scale Integrated Fleet Assignment and Crew Pairing Problem. Annals of Operations Research, 253:477-500 (2017).
  • G. Erdoğan: An Open Source Spreadsheet Solver for Vehicle Routing Problems. Computers & Operations Research, 84: 62-72 (2017).
  • G. Erdoğan, G. Laporte, A.M. Rodríguez Chía: Exact and heuristic algorithms for the Hamiltonian p-median problem. European Journal of Operational Research, 253: 280-289 (2016).
  • G. Erdoğan, M. Battarra, R. Wolfler Calvo: An Exact Algorithm for the Static Rebalancing Problem arising in Bicycle Sharing Systems. European Journal of Operational Research, 245: 667–679 (2015).
  • G. Erdoğan, M. Haouari, M. Örmeci, O. Ö. Özener: A Large Scale Neighborhood Search Algorithm for the Airline Crew Pairing Problem. Journal of the Operational Research Society, 66: 1742–1754 (2015).
  • T. Vidal, M. Battarra, A. Subramanian, G. Erdoğan: Hybrid Metaheuristics for the Clustered Vehicle Routing Problem. Computers & Operations Research, 58: 87-99 (2015).
  • M. Battarra, R. Eglese, G. Erdoğan: Guest editorial: Recent trends in routing. Networks, 65: 101 (2015).
  • G. Erdoğan, F. McLeod, T. Cherrett, T. Bektaş: Matheuristics for a Multi-Attribute Vehicle Routing Problem with Profits. Journal of the Operational Research Society, 66: 177-190 (2014).
  • G. Erdoğan, G. Laporte, Roberto Wolfler Calvo: The Static Bicycle Repositioning Problem with Demand Intervals. European Journal of Operational Research, 238: 451-457 (2014).
  • G. Erdoğan, M. Battarra, G. Laporte: Scheduling twin robots on a line. Naval Research Logistics, 61: 119-130 (2014).
  • F. McLeod, G. Erdoğan, T. Cherrett, T. Bektaş, N. Davies, D. Shingleton, C. Speed, J. Dickinson, S. Norgate: Improving collection efficiency through remote monitoring of charity assets. Waste Management, 34: 273-280 (2014).
  • M. Battarra, G. Erdoğan, D. Vigo: Exact Algorithms for the Clustered Vehicle Routing Problem. Operations Research, 62: 58-71 (2014).
  • F. McLeod, G. Erdoğan, T. Cherrett, T. Bektaş: Dynamic collection scheduling using remote asset monitoring: a case study in the charity sector. Transportation Research Record Journal of the Transportation Research Board, 2378: 65-72 (2013).
  • G. Erdoğan, G. Laporte: The Orienteering Problem with Variable Profits. Networks, 61: 104-116 (2013).
  • G. Erdoğan, M. Battarra, G. Laporte, D. Vigo: Metaheuristics for the traveling salesman problem with pickups, deliveries and handling costs. Computers & Operations Research, 39: 1074-1086 (2012).
  • G. Erdogan, B. Tansel, İ. Akgün: Modelling and solving an m-location, n-courier, priority-based planning problem on a network. Journal of the Operational Research Society 63: 2-15 (2012).
  • G. Erdogan, B. Tansel: Two classes of Quadratic Assignment Problems that are solvable as Linear Assignment Problems. Discrete Optimization, 8: 446-451 (2011).
  • T. Bektaş, G. Erdogan, S. Ropke: Formulations and Branch-and-Cut Algorithms for the Generalized Vehicle Routing Problem. Transportation Science 45: 299-316 (2011).
  • G. Erdoğan, J.-F. Cordeau, G. Laporte: A Branch-and-Cut Algorithm for the Non-Preemptive Capacitated Swapping Problem. Discrete Applied Mathematics 158: 1599-1614 (2010).
  • M. Battarra, G. Erdoğan, G. Laporte, D. Vigo: The Traveling Salesman Problem with Pickups, Deliveries and Handling Costs. Transportation Science 44: 383-399 (2010).
  • G. Erdoğan, J.-F. Cordeau, G. Laporte: The Attractive Traveling Salesman Problem. European Journal of Operational Research, 203: 59–69 (2010).
  • G. Erdoğan, E. Erkut, A. Ingolfsson, G. Laporte: Scheduling Ambulance Crews for Maximum Coverage. Journal of the Operational Research Society 61: 543–550 (2010).
  • G. Erdoğan, J.-F. Cordeau, G. Laporte: The Traveling Salesman Problem with Pickup and Delivery and First-In-First-Out Loading. Computers & Operations Research 36: 1800-1808 (2009).
  • E. Erkut, A. Ingolfsson, Thaddeus Sim, G. Erdoğan: Computational Comparison of Five Maximal Covering Models for Locating Ambulances. Geographical Analysis 41: 43-65 (2009).
  • E. Erkut, A. Ingolfsson, G. Erdoğan: Ambulance Location for Maximum Survival. Naval Research Logistics Quarterly 55 (1): 42-58 (2008).
  • G. Erdogan, B. Tansel: A Branch-and-Cut Algorithm for Quadratic Assignment Problems Based on Linearizations. Computers & Operations Research 34 (4): 1085-1106 (2007).
  • G. Erdogan, B. Tansel: A Note on a Polynomial Time Solvable Case of the Quadratic Assignment Problem. Discrete Optimization 3 (4): 382-384 (2006).

Conference Presentations and Publications

  • S.D. Ahipasaoğlu, G. Erdoğan, B. Tansel, "A Survey on Vehicle Routing Problems", EURO-INFORMS, Istanbul, Turkey, 2003.
  • E. Karaşan, O.E. Karaşan, G. Erdoğan: “Optimum Placement of Wavelength Interchanging Nodes in Optical Networks with Sparse Conversion”, 9th European Conference on Networks & Optical Communications, Eindhoven, Netherlands, June 2004.
  • G. Erdogan, J.-F. Cordeau, G. Laporte: “Vehicle Routing Problem with Profits and Partial Coverage", Optimization Days, Montreal, May 2007.
  • G. Erdogan, J.-F. Cordeau, G. Laporte: “The Traveling Salesman Problem with Pickup and Delivery and First-In-First-Out Loading", Optimization Days, Quebec, May 2008.
  • T. Bektaş, G. Erdogan, S. Ropke: Formulations and Branch-and-Cut Algorithms for the Generalized Vehicle Routing Problem. OR50. York, UK: The OR Society, 2008.
  • M. Battarra, G. Erdoğan, G. Laporte, D. Vigo: The Traveling Salesman Problem with Pickups, Deliveries and Handling Costs. Odysseus 2009, Izmir.
  • T. Bektaş, G. Erdogan, S. Ropke: Genelleştirilmiş Araç Rotalama Problemi için Dal-Kesi Algoritmaları, YAEM 2010, İstanbul.
  • G. Erdogan, J.-F. Cordeau, G. Laporte: “A Branch-and-Cut Algorithm for the Non-Preemptive Capacitated Swapping Problem", EURO, Lisbon, 2010.
  • M. Battarra, G. Erdoğan, G. Laporte, D. Vigo: Metaheuristics for the Traveling Salesman Problem with Pickups, Deliveries and Handling Costs. NOW 2010, Corsica.
  • G. Erdoğan, G. Laporte: The Traveling Fisherman Problem. INOC 2011, Hamburg.
  • E. Şener, G. Erdoğan, E. Ahi: Particle Swarm Optimization for Yield Curve Estimation, YAEM 2011, Sakarya, Turkey.
  • M. Battarra, G. Erdoğan, D. Vigo: Formulations for the Clustered Vehicle Routing Problem. Odysseus 2012, Mykonos.
  • G. Erdoğan, G. Laporte, R. Wolfler Calvo: The Static Bicycle Repositioning Problem. Odysseus 2012, Mykonos.
  • G. Erdoğan, G. Laporte, R. Wolfler Calvo: The One Commodity Pickup and Delivery Traveling Salesman Problem with Demand Intervals. INOC 2013, Tenerife.
  • F. McLeod, G. Erdoğan, T. Cherrett, T. Bektaş: Heuristics for the team orienteering problem with time windows and flexible fleet. EURO/INFORMS 2013, Rome.
  • F. McLeod, G. Erdoğan, T. Cherrett, T. Bektaş: Heuristics for the team orienteering problem with time windows and flexible fleet. VeRoLog 2013, Southampton.
  • G. Erdoğan, M. Haouari, M. Örmeci, O.Ö. Özener: A Large Scale Neighborhood Search Algorithm for the Airline Crew Pairing Problem. LANCS Workshop on Air Transportation 2014, Nottingham.
  • G. Erdoğan, M. Battarra, Antonio Rodrigues Chia, G. Laporte: Two exact algorithms for the Hamiltonian p-median problem. APMOD 2014, Coventry.
  • G. Erdoğan, M. Battarra, R. Wolfler Calvo: The One Commodity Pickup and Delivery Traveling Salesman Problem with Multiple Visits. JOPT2014, Montreal.
  • G. Erdoğan, M. Battarra, R. Wolfler Calvo: An exact algorithm for the Static Bicycle Rebalancing Problem. EURO2015, Glasgow.
  • G. Erdoğan, keynote talk: An Overview of Static Bicycle Relocation Models. SICSA Workshop on Probabilistic Modelling of Urban Transportation Systems 2016, Edinburgh
  • O. Jabali, G. Erdoğan: Continuous Approximation Models for the Fleet Replacement and Composition Problem. ROUTE2016, Paris.
  • G. Erdoğan, tutorial: Solving Vehicle Routing Problems Using Excel. VeRoLog 2017, Amsterdam.
  • G. Erdoğan, Antonio M. Rodríguez Chía, M. Battarra: The Hub Location and Pricing Problem. ROUTE2018, Copenhagen
  • G. Erdoğan, Antonio M. Rodríguez Chía, M. Battarra: The Hub Location and Pricing Problem. Odysseus 2018, Cagliari.
  • G. Erdoğan: A Large Neighbourhood search algorithm for the 3D bin packing problem. EURO mini-conference on Logistics Analytics 2018, Minsk.
  • I. Karaoğlan, G. Erdoğan, C. Koc: The Maximum Expected Covering Tours Problem. ALIO 2018, Bologna.
  • G. Erdoğan, E.A. Yildirim: Exact and Heuristic Algorithms for the Carrier-Vehicle Traveling Salesman Problem. EURO2019, Dublin.
  • E. Yücel, F.S. Salman, G. Erdoğan: Optimizing Two-Dimensional Vehicle Loading and Dispatching Decisions in Freight Logistics. OR54, Warwick University, Coventry.