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Research

Professor Adam Letchford

Head of Department, Professor

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  1. 2008
  2. 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

  3. Published

    Binary positive semidefinite matrices and associated integer polytopes

    Letchford, A. N. & Sorensen, M. M., 2008, Integer Programming and Combinatorial Optimization : Proceedings of the 13th International IPCO Conference. Lodi, A., Panconesi, A. & Rinaldi, G. (eds.). Berlin: Springer, p. 125-139 15 p. (Lecture Notes in Computer Science; vol. 5035).

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

  4. Published

    Exploiting planarity in separation routines for the symmetric travelling salesman problem

    Letchford, A. N. & Pearson, N., 2008, In: Discrete Optimization. 5, 2, p. 220-230 11 p.

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

  5. Published

    Good triangulations yield good tours

    Letchford, A. N. & Pearson, N., 2008, In: Computers and Operations Research. 35, 2, p. 638-647 10 p.

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

  6. Published

    Odd minimum cut-sets and b-matchings revisited

    Letchford, A. N., Reinelt, G. & Theis, D. O., 2008, In: SIAM Journal on Discrete Mathematics. 22, 4, p. 1480-1487 8 p.

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

  7. Published

    Preface: Combinatorial optimization

    Clark, A., Eglese, R., Letchford, A. & Wright, M., 2008, In: Discrete Applied Mathematics. 156, 3, p. 289-290 2 p.

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

  8. Published

    Review of "A branch-and-cut algorithm for a resource-constrained scheduling problem"

    Letchford, A. N., 2008, In: Mathematical Reviews.

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

  9. Published

    Review of "FPTAS for optimizing polynomials over the mixed-integar points of polytopes in fixed dimension"

    Letchford, A. N., 2008, In: Mathematical Reviews.

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

  10. Published

    Review of "New cutting-planes for the time and/or precedence-constrained ATSP and directed VRP"

    Letchford, A. N., 2008, In: Mathematical Reviews.

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

  11. Published

    Review of "On clique separators, nearly chordal graphs and the maximum weight stable set problem"

    Letchford, A. N., 2008, In: Mathematical Reviews.

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

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