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Professor Adam Letchford

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  1. Improving a constructive heuristic for the general routing problem

    Letchford, A. (Speaker)

    6/09/2022

    Activity: Talk or presentation types › Invited talk

  2. Insertion heuristics for a class of dynamic vehicle routing problems

    Letchford, A. (Speaker)

    30/11/2022

    Activity: Talk or presentation types › Invited talk

  3. Insertion heuristics for a class of dynamic vehicle routing problems

    Letchford, A. (Speaker)

    6/12/2022

    Activity: Talk or presentation types › Invited talk

  4. Integer Programming Conference in Honor of Egon Balas

    Letchford, A. (Keynote/plenary speaker)

    06/2002

    Activity: Participating in or organising an event types › Participation in conference - Academic

  5. Journées de l'Optimisation 2005

    Letchford, A. (Speaker)

    05/2005

    Activity: Participating in or organising an event types › Participation in conference - Academic

  6. LANCS International Workshop on Discrete and Nonlinear Optimisation

    Letchford, A. (Speaker)

    05/2013

    Activity: Participating in or organising an event types › Participation in conference -Mixed Audience

  7. LANCS Workshop on Modelling and Solving Complex Optimisation Problems

    Letchford, A. (Speaker)

    04/2011

    Activity: Participating in or organising an event types › Participation in conference -Mixed Audience

  8. London School of Economics

    Letchford, A. (Examiner)

    06/2010 → 09/2012

    Activity: Business or School/HEI Engagement › Visiting an external academic institution

  9. LUMS Research Conference 2024

    Caceres Gelvez, S. (Speaker), Dang, T. (Contributor) & Letchford, A. (Contributor)

    9/05/2024

    Activity: Participating in or organising an event types › Participation in conference -Mixed Audience

  10. Mathematical Programming (Journal)

    Letchford, A. (Associate Editor)

    2003 → 2012

    Activity: Publication peer-review and editorial work types › Editorial activity

  11. Mathematical Programming (Journal)

    Letchford, A. (Guest editor)

    2015

    Activity: Publication peer-review and editorial work types › Editorial activity

  12. Mathematical Programming Computation (Journal)

    Letchford, A. (Associate Editor)

    2008 → 2012

    Activity: Publication peer-review and editorial work types › Editorial activity

  13. Mixed-integer non-linear programming: a survey

    Letchford, A. (Speaker)

    10/2010

    Activity: Talk or presentation types › Invited talk

  14. Mixed-Integer Programming Workshop

    Letchford, A. (Member of programme committee)

    2005

    Activity: Participating in or organising an event types › Participation in conference - Academic

  15. Mixed-Integer Programming Workshop (MIP 2008)

    Letchford, A. (Invited speaker)

    08/2008

    Activity: Participating in or organising an event types › Participation in conference - Academic

  16. Oberwolfach Workshop on Combinatorial Optimisation

    Letchford, A. (Invited speaker)

    01/1999

    Activity: Participating in or organising an event types › Participation in conference - Academic

  17. On non-convex quadratic programming with box constraints

    Letchford, A. (Speaker)

    04/2009

    Activity: Talk or presentation types › Invited talk

  18. On traveling salesman games

    Letchford, A. (Speaker)

    01/2003

    Activity: Talk or presentation types › Invited talk

  19. Operations Research (Journal)

    Letchford, A. (Associate Editor)

    2012 → 2018

    Activity: Publication peer-review and editorial work types › Editorial activity

  20. Optimisation over cones

    Letchford, A. (Speaker)

    04/2010

    Activity: Talk or presentation types › Invited talk

  21. Optimization 2007

    Letchford, A. (Keynote/plenary speaker)

    07/2007

    Activity: Participating in or organising an event types › Participation in conference - Academic

  22. Planar graphs and the traveling salesman problem

    Letchford, A. (Speaker)

    03/2005

    Activity: Talk or presentation types › Invited talk

  23. Primal separation algorithms

    Letchford, A. (Speaker)

    04/2001

    Activity: Talk or presentation types › Invited talk

  24. Progress on the uncapacitated facility location problem

    Letchford, A. (Speaker)

    4/09/2024

    Activity: Talk or presentation types › Invited talk

  25. Recent progress on knapsack-based cutting planes

    Letchford, A. (Speaker)

    01/2009

    Activity: Talk or presentation types › Invited talk

  26. Reformulating mixed-integer quadratically-constrained quadratic programmes

    Letchford, A. (Speaker)

    03/2011

    Activity: Talk or presentation types › Invited talk

  27. Reformulation of 0-1 quadratically constrained quadratic programs

    Letchford, A. (Speaker)

    10/2010

    Activity: Talk or presentation types › Invited talk

  28. Second order cone programming and its applications

    Letchford, A. (Speaker)

    02/2012

    Activity: Talk or presentation types › Invited talk

  29. Semidefinite programming and combinatorial optimization

    Letchford, A. (Speaker)

    11/2006

    Activity: Talk or presentation types › Invited talk

  30. SIAM Conference on Optimization

    Letchford, A. (Invited speaker)

    05/2011

    Activity: Participating in or organising an event types › Participation in conference - Academic

  31. Solving discrete optimisation problems by branch-and-cut

    Letchford, A. (Speaker)

    03/2003

    Activity: Talk or presentation types › Invited talk

  32. Solving discrete optimization problems by branch-and-cut

    Letchford, A. (Speaker)

    01/2005

    Activity: Talk or presentation types › Invited talk

  33. Solving discrete optimization problems by branch-and-cut

    Letchford, A. (Speaker)

    03/2004

    Activity: Talk or presentation types › Invited talk

  34. Solving discrete optimization problems by branch-and-cut

    Letchford, A. (Speaker)

    09/2003

    Activity: Talk or presentation types › Invited talk

  35. Some unbounded convex sets arising in non-convex MIQP

    Letchford, A. (Speaker)

    12/04/2013

    Activity: Talk or presentation types › Invited talk

  36. Spring School on Vehicle Routing

    Letchford, A. (Invited speaker)

    05/2006

    Activity: Participating in or organising an event types › Participation in conference - Academic

  37. Strengthening the reformulation-linearisation technique with cutting planes

    Letchford, A. (Speaker)

    04/2013

    Activity: Talk or presentation types › Invited talk

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

    Letchford, A. (Speaker)

    21/05/2014

    Activity: Talk or presentation types › Invited talk

  39. Stronger upper bounds for the maximum stable set problem

    Letchford, A. (Speaker)

    02/2007

    Activity: Talk or presentation types › Invited talk

  40. Symposium on Operations Research

    Letchford, A. (Speaker)

    1/09/1999 → 3/09/1999

    Activity: Participating in or organising an event types › Participation in conference - Academic

  41. The Operational Research Society (External organisation)

    Letchford, A. (Member)

    2000 → …

    Activity: Membership types › Member of an organisation

  42. The polyhedral approach to the TSP

    Letchford, A. (Invited speaker)

    22/09/1999

    Activity: Talk or presentation types › Invited talk

  43. The traveling salesman problem: inequalities and separation

    Letchford, A. (Speaker)

    07/2004

    Activity: Talk or presentation types › Invited talk

  44. The traveling salesman problem: inequalities and separation

    Letchford, A. (Speaker)

    04/2004

    Activity: Talk or presentation types › Invited talk

  45. The traveling salesman problem: inequalities and separation

    Letchford, A. (Speaker)

    09/2003

    Activity: Talk or presentation types › Invited talk

  46. The traveling salesman problem: inequalities and separation

    Letchford, A. (Speaker)

    12/2003

    Activity: Talk or presentation types › Invited talk

  47. The Travelling Salesman Problem

    Letchford, A. (Speaker)

    04/2010

    Activity: Talk or presentation types › Invited talk

  48. University of L'Aquila

    Letchford, A. (Visiting researcher)

    28/11/2022 → 2/12/2022

    Activity: Business or School/HEI Engagement › Visiting an external academic institution

  49. University of Pisa

    Letchford, A. (Visiting researcher)

    03/2019

    Activity: Business or School/HEI Engagement › Visiting an external academic institution

  50. Vehicle routing games

    Letchford, A. (Speaker)

    03/2005

    Activity: Talk or presentation types › Invited talk

  51. Vehicle routing games

    Letchford, A. (Speaker)

    01/2005

    Activity: Talk or presentation types › Invited talk

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