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  1. Published

    A binarisation heuristic for non-convex quadratic programming with box constraints

    Galli, L. & Letchford, A. N., 1/09/2018, In: Operations Research Letters. 46, 5, p. 529-533 5 p.

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

  2. Published

    A compact variant of the QCR method for quadratically constrained quadratic 0-1 programs

    Galli, L. & Letchford, A., 04/2014, In: Optimization Letters. 8, 4, p. 1213-1224 12 p.

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

  3. Published

    A Comparison of Data-Driven Uncertainty Sets for Robust Network Design

    Garuba, F., Goerigk, M. & Jacko, P., 23/03/2020, In: arXiv.

    Research output: Contribution to Journal/Magazine › Journal article

  4. Published

    A comparison of discrete and polyhedral uncertainty sets for robust network design

    Garuba, F., Goerigk, M. & Jacko, P., 2020

    Research output: Other contribution

  5. Published

    A Comparison of Models for Uncertain Network Design

    Garuba, F., Goerigk, M. & Jacko, P., 23/06/2019. 20 p.

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

  6. 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

  7. Published

    A dynamic programming heuristic for the quadratic knapsack problem

    Djeumou Fomeni, F. & Letchford, A., 02/2014, In: INFORMS Journal on Computing. 26, 1, p. 173-182 10 p.

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

  8. 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

  9. Published

    A generic approach to conference scheduling with integer programming

    Pylyavskyy, Y., Jacko, P. & Kheiri, A., 1/09/2024, In: European Journal of Operational Research. 317, 2, p. 487-499 13 p.

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

  10. Published

    A guide to conic optimisation and its applications

    Letchford, A. N. & Parkes, A. J., 11/2018, In: RAIRO Operations Research. 52, 4, p. 1087-1106 20 p.

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

  11. Published

    A heuristic for fair dynamic resource allocation in over-loaded OFDMA systems

    Letchford, A., Ni, Q. & Zhong, Z., 1/02/2020, In: Journal of Heuristics. 26, 1, p. 21-32 12 p.

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

  12. Published

    A heuristic for maximising energy efficiency in OFDMA systems with QoS constraints

    Letchford, A. N., Ni, Q. & Zhong, Z., 1/07/2018, Combinatorial Optimization: 5th International Symposium. Lee, J., Rinaldi, G. & Mahjoub, A. R. (eds.). Springer, p. 303-312 10 p. (Lecture Notes in Computer Science; vol. 10856).

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

  13. Published

    A hyper-heuristic approach based upon a hidden Markov model for the multi-stage nurse rostering problem

    Kheiri, A., Gretsista, A., Keedwell, E., Lulli, G., Epitropakis, M. & Burke, E., 1/06/2021, In: Computers and Operations Research. 130, 14 p., 105221.

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

  14. Published

    A Largest Empty Hypersphere Metaheuristic for Robust Optimisation with Implementation Uncertainty

    Hughes, M., Goerigk, M. & Wright, M. B., 03/2019, In: Computers and Operations Research. 103, p. 64-80 17 p.

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

  15. Published

    A Matheuristic Approach for Finding Effective Base Locations and Team Configurations for North West Air Ambulance

    Boyacı, B., Nayeem, M. A. & Kheiri, A., 8/07/2021, GECCO '21: Proceedings of the Genetic and Evolutionary Computation Conference Companion. Chicano, F. (ed.). New York: ACM, p. 1817-1824 8 p.

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

    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

  18. Published

    A Multi-Objective Integer Approach for Optimizing Trajectory Based Operations (TBO)

    Dal Sasso, V., Djeumou Fomeni, F., Lulli, G., Murgese, G. & Zografos, K. G., 8/01/2018.

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

  19. Published

    A new lower bound for the minimum linear arrangement of a graph

    Amaral, A., Caprara, A., Letchford, A. N. & Salazar-Gonzalez, J.-J., 20/02/2008, In: Electronic Notes in Discrete Mathematics. 30, p. 87-92

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

  20. Published

    A new separation algorithm for the Boolean quadric and cut polytopes

    Letchford, A. & Sorensen, M. M., 2/08/2014, In: Discrete Optimization. 14, p. 61-71 11 p.

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

  21. Published

    A note on representations of linear inequalities in non-convex mixed-integer quadratic programs

    Letchford, A. N. & Grainger, D., 6/11/2017, In: Operations Research Letters. 45, 6, p. 631-634 4 p.

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

  22. Published

    A note on the 2-circulant inequalities for the max-cut problem

    Kaparis, K. & Letchford, A. N., 07/2018, In: Operations Research Letters. 46, 4, p. 443-447 5 p.

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

  23. Published

    A polyhedral approach to the single row facility layout problem

    Amaral, A. R. S. & Letchford, A., 10/2013, In: Mathematical Programming. 141, 1-2, p. 453-477 25 p.

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

  24. Published

    A reinforcement learning hyper-heuristic for water distribution network optimisation

    Ahmed, A. O. M., Osman, S. M. Y., Yousif, T. E. H. & Kheiri, A., 17/05/2021, 2020 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE). IEEE, 4 p.

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

  25. E-pub ahead of print

    A response‐adaptive randomization procedure for multi‐armed clinical trials with normally distributed outcomes

    Williamson, S. F. & Villar, S., 19/09/2019, (E-pub ahead of print) In: Biometrics. 13 p.

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

  26. Published

    A separation algorithm for the simple plant location problem

    Galli, L. & Letchford, A., 31/07/2021, In: Operations Research Letters. 49, 4, p. 610-615 6 p.

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

  27. Published

    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

  28. Published

    A State Transition MIP Formulation for the Unit Commitment Problem

    Atakan, S., Lulli, G. & Sen, S., 01/2018, In: IEEE Transactions on Power Systems. 33, 1, p. 736-748 13 p.

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

  29. Published

    A sum-of-squares approach to achieving fairness in combinatorial optimisation

    Letchford, A., 04/2018.

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

  30. 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

  31. Published

    A two-level graph partitioning problem arising in mobile wireless communications

    Fairbrother, J., Letchford, A. N. & Briggs, K., 04/2018, In: Computational Optimization and Applications. 69, 3, p. 653-676 24 p.

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

  32. Published

    Adaptive policies for perimeter surveillance problems

    Grant, J. A., Leslie, D. S., Glazebrook, K., Szechtman, R. & Letchford, A., 16/05/2020, In: European Journal of Operational Research. 283, 1, p. 265-278 14 p.

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

  33. Published

    Air traffic (flow) management: Issues, challenges, and research opportunities

    Lulli, G., 11/09/2018, OR60: The OR Society Annual Conference. Kheiri, A. (ed.). Lancaster: Operational Research Society, p. 1-5 5 p.

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

  34. Published

    An aggressive reduction scheme for the simple plant location problem

    Letchford, A. & Miller, S., 1/05/2014, In: European Journal of Operational Research. 234, 3, p. 674-682 9 p.

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

  35. Forthcoming

    An analysis of trajectory centered ATFM with airspace users’ preference scores

    Jiang, Y., De Giovanni, L., Lancia, C. & Lulli, G., 6/04/2024, (Accepted/In press). 8 p.

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

  36. Published

    An Efficient Approach to Distributionally Robust Network Capacity Planning

    Dokka Venkata Satyanaraya, T., Garuba, F., Goerigk, M. & Jacko, P., 9/04/2020, In: arXiv.

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

  37. Published

    An exact algorithm for a resource allocation problem in mobile wireless communications

    Letchford, A. N., Ni, Q. & Zhong, Z., 09/2017, In: Computational Optimization and Applications. 68, 2, p. 193-208 16 p.

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

  38. Published

    An Optimisation Framework for Airline Fleet Maintenance Scheduling with Tail Assignment Considerations

    Torres Sanchez, D., Boyacı, B. & Zografos, K. G., 31/03/2020, In: Transportation Research Part B: Methodological. 133, p. 142-164 23 p.

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

  39. 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

  40. Published

    Approximating the Lovász θ function with the subgradient method

    Giandomenico, M., Letchford, A. N., Rossi, F. & Smriglio, S., 5/06/2013, In: Electronic Notes in Discrete Mathematics. 41, p. 157-164 8 p.

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

  41. Published

    Arc routing problems

    Eglese, R. & Letchford, A., 10/02/2024, Encyclopedia of Optimization. Pardalos, P. & Prokopyev, O. (eds.). 3rd ed. Cham: Springer, 6 p.

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

  42. 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

  43. Published

    Bayesian bandit models for the design of clinical trials

    Williamson, S. F., 2020, Lancaster University. 229 p.

    Research output: Thesis › Doctoral Thesis

  44. Published

    Bi-perspective cuts for mixed-integer fractional programs with indicator variables

    Letchford, A., 07/2018.

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

  45. 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

  46. Published

    Combinatorial Optimisation: Relaxation, Duality and Heuristics

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

    Research output: Thesis › Doctoral Thesis

  47. Published

    Compact formulations of the Steiner traveling salesman problem and related problems

    Letchford, A. & Nasiri, S. D., 2013, In: European Journal of Operational Research. 228, 1, p. 83-92 10 p.

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

  48. E-pub ahead of print

    Compromise Solutions for Robust Combinatorial Optimization with Variable-Sized Uncertainty

    Chassein, A. & Goerigk, M., 5/02/2018, (E-pub ahead of print) In: European Journal of Operational Research. 269, 2, p. 544-555 12 p.

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

  49. Published

    Computing upper bounds for the stable set problem using Lagrangian relaxation

    Letchford, A., 05/2013.

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

  50. Published

    Convergence and polynomiality of primal-dual interior-point algorithms for linear programming with selective addition of inequalities

    Engau, A. & Anjos, M. F., 12/2017, In: Optimization. 66, 12, p. 2063-2086 24 p.

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

  51. Published

    Convex hulls for mixed-integer quadratic programs with bounded variables

    Letchford, A., 09/2019.

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

  52. 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

  53. Published

    Crowdsourced Delivery—A Dynamic Pickup and Delivery Problem with Ad Hoc Drivers

    Arslan, A., Agatz, N., Kroon, L. & Zuidwijk, R., 31/01/2019, In: Transportation Science. 53, 1, p. 222-235 14 p.

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

  54. Published

    Cutting planes for RLT relaxations of mixed 0-1 polynomial programs

    Djeumou Fomeni, F., Kaparis, K. & Letchford, A., 2015, In: Mathematical Programming. 151, 2, p. 639–658 20 p.

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

  55. Published

    Definition and characterization of Geoffrion proper efficiency for real vector optimization with infinitely many criteria

    Engau, A., 05/2015, In: Journal of Optimization Theory and Applications. 165, 2, p. 439-457 19 p.

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

  56. Published

    Disruption management in vehicle routing and scheduling for road freight transport: a review

    Eglese, R. W. & Zambirinis, S., 04/2018, In: TOP. 26, 1, p. 1-17 17 p.

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

  57. Published

    Dynamic prediction-based relocation policies in one-way station-based carsharing systems with complete journey reservations

    Repoux, M., Kaspi, M., Boyacı, B. & Geroliminis, N., 1/12/2019, In: Transportation Research Part B: Methodological. 130, p. 82-104 23 p.

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

  58. Published

    Efficient Adaptive Designs for Clinical Trials of Interventions for COVID-19

    Stallard, N., Hampson, L., Benda, N., Brannath, W., Burnett, T., Friede, T., Kimani, P. K., Koenig, F., Krisam, J., Mozgunov, P., Posch, M., Wason, J., Wassmer, G., Whitehead, J., Williamson, S. F., Zohar, S. & Jaki, T., 1/10/2020, In: Statistics in Biopharmaceutical Research. 12, 4, p. 483-497 15 p.

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

  59. Published

    Ellipsoidal relaxations of the stable set problem: theory and algorithms

    Giandomenico, M., Letchford, A., Rossi, F. & Smriglio, S., 1/08/2015, In: SIAM Journal on Optimization. 25, 3, p. 1944-1963 20 p.

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

  60. 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

  61. Published

    Equilibrium Design by Coarse Correlation in Quadratic Games

    Dokka Venkata Satyanaraya, T., Moulin, H., Ray, I. & Sen Gupta, S., 31/07/2020, Lancaster : Lancaster University, Department of Economics, (Economics Working Papers Series).

    Research output: Working paper

  62. Published

    Exact and hyper-heuristic solutions for the distribution-installation problem from the VeRoLog 2019 challenge

    Kheiri, A., Ahmed, L., Boyacı, B., Gromicho, J., Mumford, C., Özcan, E. & Dirikoc, A. S., 1/09/2020, In: Networks. 76, 2, p. 294-319 26 p.

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

  63. Published

    Extensions to Newsvendor Problems

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

    Research output: Thesis › Doctoral Thesis

  64. Published

    Facets from gadgets

    Letchford, A. & Vu, A., 1/01/2021, In: Mathematical Programming. 185, 1-2, p. 297-314 18 p.

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

  65. 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

  66. Published

    General routing problem

    Eglese, R. & Letchford, A., 4/09/2008, Encyclopedia of Optimization. Floudas, C. & Pardalos, P. (eds.). 2nd ed. New York: Springer, p. 1252-1254 3 p.

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

  67. 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

  68. 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

  69. Published

    Generating hard instances for robust combinatorial optimization

    Goerigk, M. & Maher, S. J., 1/01/2020, In: European Journal of Operational Research. 280, 1, p. 34-45 12 p.

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

  70. 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

  71. 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

  72. Published

    Improving Abatement Levels and Welfare by Coarse Correlation in an Environmental Game

    Dokka Venkata Satyanaraya, T., Moulin, H., Ray, I. & Sen Gupta, S., 05/2019, Lancaster: Lancaster University, Department of Economics, (Economics Working Papers Series).

    Research output: Working paper

  73. Published

    Incorporating Stakeholders’ priorities and preferences in 4D trajectory optimization

    Dal Sasso, V., Djeumou Fomeni, F., Lulli, G. & Zografos, K. G., 11/2018, In: Transportation Research Part B: Methodological. 117, A, p. 594-609 16 p.

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

  74. Published

    Investigating the effect of temporal and spatial flexibility on the performance of one-way electric carsharing systems

    Boyacı, B. & Zografos, K. G., 1/11/2019, In: Transportation Research Part B: Methodological. 129, p. 244-272 29 p.

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

  75. Published

    Iterated Chvatal-Gomory cuts and the geometry of numbers

    Aliev, I. & Letchford, A., 2014, In: SIAM Journal on Optimization. 24, 3, p. 1294-1312 19 p.

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

  76. Published

    Lifting the knapsack cover inequalities for the knapsack polytope

    Letchford, A. & Souli, G., 1/09/2020, In: Operations Research Letters. 48, 5, p. 607-611 5 p.

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

  77. Published

    Lower bounds for the minimum linear arrangement of a graph

    Caprara, A., Letchford, A. & Salazar Gonzalez, J. J., 1/08/2010, In: Electronic Notes in Discrete Mathematics. 36, p. 843-849 7 p.

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

  78. 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

  79. 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

  80. Published

    Metaheuristics for black-box robust optimisation problems

    Hughes, M., 16/07/2020, Lancaster University. 175 p.

    Research output: Thesis › Doctoral Thesis

  81. 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

  82. Published

    Mixed uncertainty sets for robust combinatorial optimization

    Dokka, T., Goerigk, M. & Roy, R., 1/09/2020, In: Optimization Letters. 14, p. 1323–1337 15 p.

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

  83. Published

    Modelling and solving the combined inventory routing problem with risk consideration

    Kheiri, A. & Zografos, K. G., 13/07/2019, p. 57-58. 2 p.

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

  84. Published

    Multicriteria modeling and tradeoff analysis for oil load dispatch and hauling operations at Noble Energy

    Engau, A., 03/2015, In: Optimization and Engineering. 16, 1, p. 73-101 29 p.

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

  85. 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

  86. 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

  87. Published

    New valid inequalities and facets for the simple plant location problem

    Galli, L., Letchford, A. N. & Miller, S., 16/09/2018, In: European Journal of Operational Research. 269, 3, p. 824-833 10 p.

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

  88. Published

    New valid inequalities for the fixed-charge and single-node flow polytopes

    Letchford, A. & Souli, G., 1/09/2019, In: Operations Research Letters. 47, 5, p. 353-357 5 p.

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

  89. 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

  90. Unpublished

    Non-parametric dynamic pricing: a non-adversarial robust optimization approach

    Dokka Venkata Satyanaraya, T., Jacko, P. & Aslam, W., 2018, (Unpublished) Lancaster: Lancaster University Management School, (Lancaster University Management School Working Paper ; vol. 2018, no. 3).

    Research output: Working paper

  91. E-pub ahead of print

    On a variant of the change-making problem

    Letchford, A. & Cheng, L., 30/11/2024, In: Operations Research Letters. 57, 3 p., 107165.

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

  92. Published

    On comb separation for the TSP

    Letchford, A., 10/01/1999, p. 4. 1 p.

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

  93. 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

  94. Published

    On lifted cover inequalities: a new lifting procedure with unusual properties

    Letchford, A. N. & Souli, G., 17/01/2019, In: Operations Research Letters. 47, 2, p. 83-88 6 p.

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

  95. 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

  96. Published

    On scenario aggregation to approximate robust combinatorial optimization problems

    Chassein, A. & Goerigk, M., 10/2018, In: Optimization Letters. 12, 7, p. 1523-1533 11 p.

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

  97. 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

  98. Published

    On the complexity of surrogate and group relaxation for integer linear programs

    Dokka, T., Letchford, A. & Mansoor, H., 31/07/2021, In: Operations Research Letters. 49, 4, p. 530-534 5 p.

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

  99. Published

    On the Development of a Fair and Efficient Slot Scheduling Mechanism at Congested Airports

    Fairbrother, J. & Zografos, K. G., 7/01/2018.

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

  100. Published

    On the dynamic allocation of assets subject to failure

    Ford, S., Atkinson, M. P., Glazebrook, K. & Jacko, P., 1/07/2020, In: European Journal of Operational Research. 284, 1, p. 227-239 13 p.

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

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