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Professor Adam Letchford

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  1. 2015
  2. 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

  3. 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

  4. 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

  5. Published

    Preface: The 2013 Newton Institute programme on polynomial optimisation

    Letchford, A., Lasserre, J. B., Parrilo, P. A. & Steurer, D., 07/2015, In: Mathematical Programming. 151, 2, p. 375–377 3 p.

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

  6. 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

  7. 2014
  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

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