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  1. 2021
  2. Published

    Automatic generation of algorithms for robust optimisation problems using Grammar-Guided Genetic Programming

    Hughes, M., Goerigk, M. & Dokka, T., 30/09/2021, In: Computers and Operations Research. 133, 25 p., 105364.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    Operational Strategies for on-demand personal shopper services

    Arslan, A., Agatz, N. & Klapp, M. A., 30/09/2021, In: Transportation Research Part C: Emerging Technologies . 130, 17 p., 103320.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    Multi-Objective, Multi-Stakeholder Airport Slot Scheduling Considering Expected Delays

    Katsigiannis, F. A. & Zografos, K. G., 24/10/2021.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper

  5. Published

    Enhancing the performance of one-way electric carsharing systems through the optimum deployment of fast chargers

    Bekli, S., Boyacı, B. & Zografos, K. G., 31/10/2021, In: Transportation Research Part B: Methodological. 152, p. 118-139 22 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    Biperspective functions for mixed-integer fractional programs with indicator variables

    Letchford, A., Ni, Q. & Zhong, Z., 30/11/2021, In: Mathematical Programming. 190, 1-2, p. 39-55 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  7. 2022
  8. Published

    Combinatorial Optimisation: Relaxation, Duality and Heuristics

    Mansoor, M. H., 2022, Lancaster University. 134 p.

    Research output: Thesis › Doctoral Thesis

  9. Published

    On matchings, T-joins and arc routing problems

    Boyacı, B., Dang, T. & Letchford, A., 31/01/2022, In: Networks. 79, 1, p. 20-31 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Performance evaluation of scheduling policies for the Dynamic and Stochastic Resource-Constrained Multi-Project Scheduling Problem

    Satic, U., Jacko, P. & Kirkbride, C., 28/02/2022, In: International Journal of Production Research. 60, 4, p. 1411-1423 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Generalised 2-circulant inequalities for the max-cut problem

    Kaparis, K., Letchford, A. & Mourtos, I., 31/03/2022, In: Operations Research Letters. 50, 2, p. 122-128 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Metaheuristics “In the Large”

    Swan, J., Adriaensen, S., Brownlee, A. E. I., Hammond, K., Johnson, C. G., Kheiri, A., Krawiec, F., Merelo, J. J., Minku, L. L., Özcan, E., Pappa, G. L., García-Sánchez, P., Sörensen, K., Voß, S., Wagner, M. & White, D. R., 31/03/2022, In: European Journal of Operational Research. 297, 2, p. 393-406 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    The Boolean quadric polytope

    Letchford, A., 1/05/2022, The Quadratic Unconstrained Binary Optimization Problem: Theory, Algorithms, and Applications. Punnen, A. (ed.). Cham, Switzerland: Springer, p. 97-120 24 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter (peer-reviewed) › peer-review

  14. Published

    A Multi-Objective framework for investigating airport schedule efficiency, fairness, flexibility, and regularity trade-offs

    Kerama, T. & Zografos, K. G., 10/05/2022.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  15. Published

    A cut-and-branch algorithm for the quadratic knapsack problem

    Djeumou Fomeni, F., Kaparis, K. & Letchford, A., 31/05/2022, In: Discrete Optimization. 44, 2, 18 p., 100579.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    A Modelling Framework for Solving the Network-Wide Airport Slot Allocation Problem

    Keskin Ozel, M. & Zografos, K. G., 19/06/2022.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  17. Published

    Newsvendor problems: An integrated method for estimation and optimisation

    Liu, C., Letchford, A. & Svetunkov, I., 16/07/2022, In: European Journal of Operational Research. 300, 2, p. 590-601 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    On the multiple knapsack assignment problem

    Letchford, A., 08/2022.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  19. Published

    A faster exact method for solving the robust multi-mode resource-constrained project scheduling problem

    Bold, M. & Goerigk, M., 30/09/2022, In: Operations Research Letters. 50, 5, p. 581-587 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. Published

    Generalisations of a Bayesian decision-theoretic randomisation procedure and the impact of delayed responses

    Williamson, S. F., Jacko, P. & Jaki, T., 31/10/2022, In: Computational Statistics and Data Analysis. 174, 26 p., 107407.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Revisiting surrogate relaxation for the multidimensional knapsack problem

    Dokka, T., Letchford, A. & Mansoor, H., 30/11/2022, In: Operations Research Letters. 50, 6, p. 674-678 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. 2023
  23. Published

    Extensions to Newsvendor Problems

    Liu, C., 2023, Lancaster University. 172 p.

    Research output: Thesis › Doctoral Thesis

  24. Published

    Fast upper and lower bounds for a large-scale real-world arc routing problem

    Boyacı, B., Dang, T. & Letchford, A., 31/01/2023, In: Networks. 81, 1, p. 107-124 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Improving a constructive heuristic for the general routing problem

    Boyacı, B., Dang, T. & Letchford, A., 31/01/2023, In: Networks. 81, 1, p. 93-106 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    Stochastic Models for Dynamic Resource Allocation

    Yarahmadi, A., 22/02/2023, Lancaster University. 197 p.

    Research output: Thesis › Doctoral Thesis

  27. Forthcoming

    MIP Formulations of Piece-wise Polyhedral Relaxations of AC Power Flow Equations

    Li, L., Dokka, T. & Lulli, G., 23/02/2023, (Accepted/In press) 2023 IEEE PES General Meeting. IEEE, p. 1-5 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  28. Forthcoming

    Solving Optimal Transmission Switching Problem via DC Power Flow Approximation

    Li, L., Dokka Venkata Satyanaraya, T. & Lulli, G., 23/02/2023, (Accepted/In press) 2023 IEEE PES General Meeting. IEEE, p. 1-5 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  29. Published

    On upper bounds for the multiple knapsack assignment problem

    Letchford, A., 04/2023.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  30. Published

    Handling User-based Relocations in One-way Carsharing Systems Considering User Acceptance Rates

    Boyacı, B., Bekli, S. & Zografos, K. G., 28/04/2023.

    Research output: Contribution to conference - Without ISBN/ISSN › Abstract › peer-review

  31. Published

    Application of selection hyper-heuristics to the simultaneous optimisation of turbines and cabling within an offshore windfarm

    Butterwick, T., Kheiri, A., Lulli, G., Gromicho, J. & Kreeft, J., 31/05/2023, In: Renewable Energy. 208, p. 1-16 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Multi-level bottleneck assignment problems: Complexity and sparsity-exploiting formulations

    Dokka, T. & Goerigk, M., 30/06/2023, In: Computers and Operations Research. 154, 12 p., 106213.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    The algorithm selection problem for solving Sudoku with metaheuristics

    Notice, D., Kheiri, A. & Pavlidis, N., 3/07/2023.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  34. Published

    A survey on exact algorithms for the maximum flow and minimum-cost flow problems

    Cruz Mejía, O. & Letchford, A., 30/09/2023, In: Networks. 82, 2, p. 167-176 10 p.

    Research output: Contribution to Journal/Magazine › Review article › peer-review

  35. Published

    Matheuristics: survey and synthesis

    Boschetti, M., Letchford, A. & Maniezzo, V., 30/11/2023, In: International Transactions in Operational Research. 30, 6, p. 2840-2866 27 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  36. Published

    On cut polytopes and graph minors

    Kaparis, K., Letchford, A. & Mourtos, I., 30/11/2023, In: Discrete Optimization. 50, 100807.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  37. Published

    On some lower bounds for the permutation flowshop problem

    Letchford, A., Dang, T. & Caceres Gelvez, S., 30/11/2023, In: Computers and Operations Research. 159, 9 p., 106320.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  38. 2024
  39. Forthcoming

    Arc routing problems

    Eglese, R. & Letchford, A., 30/01/2024, (Accepted/In press) Encyclopedia of Optimization. Pardalos, P. & Prokopyev, O. (eds.). 3rd ed. Springer

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Entry for encyclopedia/dictionary

  40. E-pub ahead of print

    A simulation-based approximate dynamic programming approach to dynamic and stochastic resource-constrained multi-project scheduling problem

    Satic, U., Jacko, P. & Kirkbride, C., 1/06/2024, In: European Journal of Operational Research. 315, 2, p. 454-469 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  41. Published

    CP-Lib: Benchmark instances of the clique partitioning problem

    Sorensen, M. & Letchford, A., 1/03/2024, In: Mathematical Programming Computation. 16, 1, p. 93-111 19 p., 1.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  42. Published

    Operational research: methods and applications

    Petropoulos, F., Laporte, G., Archetti, C., Ayhan, H., Battarra, M., Bennell, J. A., Boylan, J. E., Breton, M., Canca, D., Charlin, L., Chen, B., Cicek, C. T., Jr, L. A. C., Currie, C. S. M., Demeulemeester, E., Ding, L., Disney, S. M., Ehrgott, M., Eppler, M. J., Erdoğan, G., & 59 othersFortz, B., Franco, L. A., Frische, J., Greco, S., Gregory, A. J., Hämäläinen, R. P., Herroelen, W., Hewitt, M., Holmström, J., Hooker, J. N., Işık, T., Johnes, J., Kara, B. Y., Karsu, Ö., Kent, K., Köhler, C., Kunc, M., Kuo, Y-H., Lienert, J., Letchford, A. N., Leung, J., Li, D., Li, H., Ljubić, I., Lodi, A., Lozano, S., Lurkin, V., Martello, S., McHale, I. G., Midgley, G., Morecroft, J. D. W., Mutha, A., Oğuz, C., Petrovic, S., Pferschy, U., Psaraftis, H. N., Rose, S., Saarinen, L., Salhi, S., Song, J-S., Sotiros, D., Stecke, K. E., Strauss, A. K., Tarhan, İ., Thielen, C., Toth, P., Berghe, G. V., Vasilakis, C., Vaze, V., Vigo, D., Virtanen, K., Wang, X., Weron, R., White, L., Woensel, T. V., Yearworth, M., Yıldırım, E. A., Zaccour, G. & Zhao, X., 1/03/2024, In: Journal of the Operational Research Society. 75, 3, p. 423-617 195 p.

    Research output: Contribution to Journal/Magazine › Review article › peer-review

  43. E-pub ahead of print

    On upper bounds for the multiple knapsack assignment problem

    Galli, L. & Letchford, A., 13/03/2024, (E-pub ahead of print) In: Operations Research Letters. 54, 6 p., 107104.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  44. Forthcoming

    A generic approach to conference scheduling with integer programming

    Pylyavskyy, Y., Jacko, P. & Kheiri, A., 1/04/2024, (Accepted/In press) In: European Journal of Operational Research.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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