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  1. 1999
  2. Published

    On the separation of maximally violated mod-k cuts

    Caprara, A., Fischetti, M. & Letchford, A. N., 1999, Integer Programming and Combinatorial Optimization: Proceedings of the 7th International IPCO Conference. Cornuéjols, G., Burkard, R. E. & Woeginger, G. J. (eds.). Berlin: Springer, p. 87-98 12 p. (Lecture Notes in Computer Science ; vol. 1610).

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

  3. 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

  4. 2000
  5. Published

    Polyhedral theory for arc routing problems

    Eglese, R. W. & Letchford, A. N., 2000, Arc Routing : Theory, Solutions and Applications. Dordrecht: Kluwer Academic Publishers, p. 199-230 32 p.

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

  6. 2008
  7. 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

  8. 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

  9. 2010
  10. 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

  11. 2013
  12. 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

  13. 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

  14. 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

  15. 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

  16. 2014
  17. 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

  18. Published

    Pricing routines for vehicle routing with time windows on road networks

    Letchford, A. & Nasiri, S. D., 2014, Lancaster University: The Department of Management Science, 20 p. (Lancaster University Management School Working Paper Series; vol. 2014, no. 2).

    Research output: Working paper

  19. 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

  20. Published

    Unbounded convex sets for non-convex mixed-integer quadratic programming

    Burer, S. & Letchford, A., 1/02/2014, In: Mathematical Programming. 143, 1-2, p. 231-256 26 p.

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

  21. Published

    Some experiences with solving semidefinite programming relaxations of binary quadratic optimization models in computational biology

    Engau, A., 27/03/2014, In: Asia-Pacific Journal of Operational Research. 31, 4, 18 p., 1450022.

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

  22. 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

  23. 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

  24. 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

  25. Published

    Pricing routines for vehicle routing with time windows on road networks

    Letchford, A., Nasiri, S. D. & Oukil, A., 11/2014, In: Computers and Operations Research. 51, p. 331-337 7 p.

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

  26. 2015
  27. 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

  28. 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

  29. 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

  30. 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

  31. Published

    Stronger multi-commodity flow formulations of the capacitated vehicle routing problem

    Letchford, A. & Salazar Gonzalez, J. J., 1/08/2015, In: European Journal of Operational Research. 244, 3, p. 730-738 9 p.

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

  32. Published

    The Steiner travelling salesman problem with correlated costs

    Letchford, A. & Nasiri, S., 16/08/2015, In: European Journal of Operational Research. 245, 1, p. 62–69 8 p.

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

  33. 2016
  34. Published

    Stronger multi-commodity flow formulations of the (capacitated) sequential ordering problem

    Letchford, A. & Salazar Gonzalez, J. J., 16/05/2016, In: European Journal of Operational Research. 251, 1, p. 74-84 11 p.

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

  35. Published

    Some hard combinatorial optimisation problems from mobile wireless communications

    Letchford, A. N., 18/05/2016. 2 p.

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

  36. Published

    Tie-breaking can maximize fairness without sacrificing throughput in D2D-assisted networks

    Mancuso, V., Asadi, A. & Jacko, P., 26/07/2016, WoWMoM 2016 - 17th International Symposium on a World of Wireless, Mobile and Multimedia Networks. Institute of Electrical and Electronics Engineers Inc., 7523498

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

  37. Published

    Strengthening Chvátal-Gomory cuts for the stable set problem

    Letchford, A. N., Marzi, F., Rossi, F. & Smriglio, S., 10/09/2016, Combinatorial Optimization: 4th International Symposium, ISCO 2016, Vietri sul Mare, Italy, May 16-18, 2016, Revised Selected Papers. Cerulli, R., Fujishige, S. & Mahjoub, A. R. (eds.). Berlin: Springer, p. 201-212 12 p. (Lecture Notes in Computer Science; vol. 9849).

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

  38. 2017
  39. Published

    Proper efficiency and tradeoffs in multiple criteria and stochastic optimization

    Engau, A., 2017, In: Mathematics of Operations Research. 42, 1, p. 119-134 16 p.

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

  40. Published

    On the Lovász theta function and some variants

    Galli, L. & Letchford, A. N., 27/07/2017, In: Discrete Optimization. 25, p. 159-174 16 p.

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

  41. 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

  42. 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

  43. Published

    Projection results for the k-partition problem

    Fairbrother, J. & Letchford, A. N., 8/11/2017, In: Discrete Optimization. 26, p. 97-111 15 p.

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

  44. 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

  45. 2018
  46. 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

  47. Published

    Optimal resource allocation In base stations for mobile wireless communications

    Zhong, Z., 2018, Lancaster University. 100 p.

    Research output: Thesis › Doctoral Thesis

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. Published

    The Quadratic Shortest Path Problem: Complexity, Approximability, and Solution Methods

    Rostami, B., Chassein, A., Hopf, M., Frey, D., Buchheim, C., Malucelli, F. & Goerigk, M., 16/07/2018, In: European Journal of Operational Research. 268, 2, p. 473-485 13 p.

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

  59. 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

  60. 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

  61. 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

  62. 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

  63. E-pub ahead of print

    Representative scenario construction and preprocessing for robust combinatorial optimization problems

    Goerigk, M. & Hughes, M., 29/10/2018, (E-pub ahead of print) In: Optimization Letters. 15 p.

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

  64. 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

  65. 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

  66. 2019
  67. Published

    The capacitated vehicle routing problem: stronger bounds in pseudo-polynomial time

    Letchford, A. N. & Salazar Gonzalez, J. J., 1/01/2019, In: European Journal of Operational Research. 272, 1, p. 24–31 8 p.

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

  68. 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

  69. 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

  70. 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

  71. 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

  72. 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

  73. 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

  74. Published

    Planning efficient 4D trajectories in Air Traffic Flow Management

    Dal Sasso, V., Djeumou Fomeni, F., Lulli, G. & Zografos, K. G., 16/07/2019, In: European Journal of Operational Research. 276, 2, p. 676-687 12 p.

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

  75. 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

  76. 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

  77. 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

  78. 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

  79. Published

    Robust Network Capacity Expansion with Non-linear Costs

    Garuba, F., Goerigk, M. & Jacko, P., 15/11/2019, 19th Symposium on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems, ATMOS 2019. Cacchiani, V. & Marchetti-Spaccamela, A. (eds.). Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, p. 5.1-5.13 13 p. (OASICS; vol. 75).

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

  80. Published

    Operational strategies for on-demand delivery services

    Arslan, A., 21/11/2019, 149 p.

    Research output: Thesis › Doctoral Thesis

  81. 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

  82. 2020
  83. Published

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

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

    Research output: Other contribution

  84. Published

    Bayesian bandit models for the design of clinical trials

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

    Research output: Thesis › Doctoral Thesis

  85. 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

  86. 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

  87. 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

  88. 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

  89. 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

  90. Published

    Valid inequalities for mixed-integer programmes with fixed charges on sets of variables

    Letchford, A. & Souli, G., 1/05/2020, In: Operations Research Letters. 48, 3, p. 240-244 5 p.

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

  91. 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

  92. Published

    Robust and stochastic approaches to network capacity design under demand uncertainty

    Garuba, F., 06/2020, Lancaster University. 180 p.

    Research output: Thesis › Doctoral Thesis

  93. 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

  94. Published

    Metaheuristics for black-box robust optimisation problems

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

    Research output: Thesis › Doctoral Thesis

  95. 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

  96. Published

    Using ℓp-norms for fairness in combinatorial optimisation

    Bektas, T. & Letchford, A., 1/08/2020, In: Computers and Operations Research. 120, 11 p., 104975.

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

  97. 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

  98. 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

  99. 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

  100. Published

    Recent Advances in Selection Hyper-heuristics

    Drake, J. H., Kheiri, A., Özcan, E. & Burke, E. K., 1/09/2020, In: European Journal of Operational Research. 285, 2, p. 405-428 24 p.

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

  101. 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

  102. Published

    Particle Swarm Metaheuristics for Robust Optimisation with Implementation Uncertainty

    Hughes, M., Goerigk, M. & Dokka Venkata Satyanaraya, T., 1/10/2020, In: Computers and Operations Research. 122, 21 p., 104998.

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

  103. Published

    Performance evaluation of scheduling policies for the DRCMPSP

    Satic, U., Jacko, P. & Kirkbride, C., 7/11/2020, Analytical and Stochastic Modelling Techniques and Applications: 25th International Conference, ASMTA 2019, Moscow, Russia, October 21–25, 2019, Proceedings. Cham: Springer, p. 100-114 15 p. (Lecture Notes in Computer Science ; vol. 12023).

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

  104. Published

    The stable set problem: clique and nodal inequalities revisited

    Letchford, A., Rossi, F. & Smriglio, S., 30/11/2020, In: Computers and Operations Research. 123, 16 p., 105024.

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

  105. 2021
  106. 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

  107. Published

    Vehicle routing on road networks: how good is Euclidean approximation?

    Boyacı, B., Dang, T. & Letchford, A., 1/05/2021, In: Computers and Operations Research. 129, 13 p., 105197.

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

  108. 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

  109. 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

  110. 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

  111. 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

  112. 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

  113. Published

    Strengthened clique-family inequalities for the stable set polytope  

    Letchford, A. & Ventura, P., 31/07/2021, In: Operations Research Letters. 49, 4, p. 586-589 4 p.

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

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