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Research

Professor Adam Letchford

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  1. 1995
  2. Published

    Rules from behaviour: the use of a computational 'rule-finder' as a tool for social psychology

    Clarke, D. D. & Letchford, A. N., 1995, In: British Psychological Society Social Psychology Section Newsletter. 33, p. 4-13 10 p.

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

  3. 1996
  4. Published

    Allocation of school bus contracts by integer programming

    Letchford, A. N., 1996, In: Journal of the Operational Research Society. 47, 3, p. 369-372 4 p.

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

  5. 1997
  6. Published

    New inequalities for the general routing problem

    Letchford, A. N., 24/01/1997, In: European Journal of Operational Research. 96, 2, p. 317-322 6 p.

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

  7. 1998
  8. Published

    Action rules extracted by machine induction from feature-coded self reports

    Letchford, A. N. & Clarke, D. D., 1998, In: Journal of Social Behavior and Personality. 13, p. 33-50 18 p.

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

  9. Published

    The rural postman problem with deadline classes

    Eglese, R. W. & Letchford, A. N., 16/03/1998, In: European Journal of Operational Research. 105, 3, p. 390-400 11 p.

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

  10. 1999
  11. 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

  12. Published

    The general routing polyhedron: a unifying framework

    Letchford, A. N., 1/01/1999, In: European Journal of Operational Research. 112, 1, p. 122-133 12 p.

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

  13. 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

  14. 2000
  15. Published

    On the separation of maximally violated mod-k cuts

    Caprara, A., Fischetti, M. & Letchford, A. N., 2000, In: Mathematical Programming. 87, 1, p. 37-56 20 p.

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

  16. 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

  17. Published

    Review of "Model Building in Mathematical Programming"

    Letchford, A. N., 2000, In: Journal of the Operational Research Society. 51, 10, p. 1212-1213 2 p.

    Research output: Contribution to Journal/Magazine › Book/Film/Article review › peer-review

  18. Published

    Review of "Theory of Linear and Integer Programming"

    Letchford, A. N., 2000, In: Journal of the Operational Research Society. 51, 7, p. 892-893 2 p.

    Research output: Contribution to Journal/Magazine › Book/Film/Article review › peer-review

  19. Published

    Separating a superclass of comb inequalities in planar graphs

    Letchford, A. N., 2000, In: Mathematics of Operations Research. 25, 3, p. 443-454 12 p.

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

  20. 2001
  21. Published

    A cutting plane algorithm for the general routing problem

    Corberan, A., Sanchis, J. M. & Letchford, A. N., 2001, In: Mathematical Programming. 90, 2, p. 291-316 26 p.

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

  22. Published

    Analysis of upper bounds for the pallet loading problem

    Letchford, A. N. & Amaral, A. R. S., 2001, In: European Journal of Operational Research. 132, 3, p. 582-593 12 p.

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

  23. Published

    The general routing problem

    Letchford, A. N. & Eglese, R. W., 2001, Encyclopedia of Optimization, Vol II (E - Integer). Floudas, C. H. & Pardalos, P. M. (eds.). Dordrecht: Kluwer Academic Publishers, p. 206-207 2 p.

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

  24. Published

    On disjunctive cuts for combinatorial optimization

    Letchford, A. N., 09/2001, In: Journal of Combinatorial Optimization. 5, 3, p. 299-315 17 p.

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

  25. 2002
  26. Published

    Binary clutter inequalities for integer programs

    Letchford, A. N., 2002, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  27. Published

    Multistars, partial multistars and the capacitated vehicle routing problem

    Lysgaard, J., Eglese, R. W. & Letchford, A. N., 2002, In: Mathematical Programming. 94, 1, p. 21-40 20 p.

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

  28. Published

    Polynomial-time separation of simple comb inequalities

    Lodi, A. & Letchford, A. N., 2002, Integer Programming and Combinatorial Optimization: Proceedings of the 9th International IPCO Conference. Cook, W. J. & Schulz, A. S. (eds.). Berlin: Springer, p. 93-108 16 p. (Lecture Notes in Computer Science; vol. 2337).

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

  29. Published

    Totally tight Chvatal-Gomory cuts

    Letchford, A. N., 2002, In: Operations Research Letters. 30, 2, p. 71-73 3 p.

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

  30. Published

    Strengthening Chvatal-Gomory cuts and Gomory fractional cuts

    Letchford, A. N. & Lodi, A., 04/2002, In: Operations Research Letters. 30, 2, p. 74-82 9 p.

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

  31. Published

    Review of "Approximation Algorithms"

    Letchford, A. N., 07/2002, In: Journal of the Operational Research Society. 53, 7, p. 807-808 2 p.

    Research output: Contribution to Journal/Magazine › Book/Film/Article review › peer-review

  32. Published

    Primal cutting plane algorithms revisited

    Letchford, A. N. & Lodi, A., 08/2002, In: Mathematical Methods of Operational Research. 56, 1, p. 67-81 15 p.

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

  33. 2003
  34. Published

    A new branch-and-cut algorithm for capacitated vehicle routing problems

    Eglese, R. W., Letchford, A. N. & Lysgaard, J., 2003, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

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