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Professor Adam Letchford

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  1. Vehicle routing games

    Adam Letchford (Speaker)

    03/2005

    Activity: Talk or presentation types › Invited talk

  2. Vehicle routing games

    Adam Letchford (Speaker)

    01/2005

    Activity: Talk or presentation types › Invited talk

  3. University of Pisa

    Adam Letchford (Visiting researcher)

    03/2019

    Activity: Visiting an external institution types › Visiting an external academic institution

  4. University of L'Aquila

    Adam Letchford (Visiting researcher)

    28/11/2022 → 2/12/2022

    Activity: Visiting an external institution types › Visiting an external academic institution

  5. The Travelling Salesman Problem

    Adam Letchford (Speaker)

    04/2010

    Activity: Talk or presentation types › Invited talk

  6. The traveling salesman problem: inequalities and separation

    Adam Letchford (Speaker)

    07/2004

    Activity: Talk or presentation types › Invited talk

  7. The traveling salesman problem: inequalities and separation

    Adam Letchford (Speaker)

    04/2004

    Activity: Talk or presentation types › Invited talk

  8. The traveling salesman problem: inequalities and separation

    Adam Letchford (Speaker)

    09/2003

    Activity: Talk or presentation types › Invited talk

  9. The traveling salesman problem: inequalities and separation

    Adam Letchford (Speaker)

    12/2003

    Activity: Talk or presentation types › Invited talk

  10. The polyhedral approach to the TSP

    Adam Letchford (Invited speaker)

    22/09/1999

    Activity: Talk or presentation types › Invited talk

  11. The Operational Research Society (External organisation)

    Adam Letchford (Member)

    2000 → …

    Activity: Membership types › Member of an organisation

  12. Symposium on Operations Research

    Adam Letchford (Speaker)

    1/09/1999 → 3/09/1999

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

  13. Stronger upper bounds for the maximum stable set problem

    Adam Letchford (Speaker)

    02/2007

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    21/05/2014

    Activity: Talk or presentation types › Invited talk

  15. Strengthening the reformulation-linearisation technique with cutting planes

    Adam Letchford (Speaker)

    04/2013

    Activity: Talk or presentation types › Invited talk

  16. Spring School on Vehicle Routing

    Adam Letchford (Invited speaker)

    05/2006

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

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

    Adam Letchford (Speaker)

    12/04/2013

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    01/2005

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    03/2004

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    09/2003

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    03/2003

    Activity: Talk or presentation types › Invited talk

  22. SIAM Conference on Optimization

    Adam Letchford (Invited speaker)

    05/2011

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

  23. Semidefinite programming and combinatorial optimization

    Adam Letchford (Speaker)

    11/2006

    Activity: Talk or presentation types › Invited talk

  24. Second order cone programming and its applications

    Adam Letchford (Speaker)

    02/2012

    Activity: Talk or presentation types › Invited talk

  25. Reformulation of 0-1 quadratically constrained quadratic programs

    Adam Letchford (Speaker)

    10/2010

    Activity: Talk or presentation types › Invited talk

  26. Reformulating mixed-integer quadratically-constrained quadratic programmes

    Adam Letchford (Speaker)

    03/2011

    Activity: Talk or presentation types › Invited talk

  27. Recent progress on knapsack-based cutting planes

    Adam Letchford (Speaker)

    01/2009

    Activity: Talk or presentation types › Invited talk

  28. Primal separation algorithms

    Adam Letchford (Speaker)

    04/2001

    Activity: Talk or presentation types › Invited talk

  29. Planar graphs and the traveling salesman problem

    Adam Letchford (Speaker)

    03/2005

    Activity: Talk or presentation types › Invited talk

  30. Optimization 2007

    Adam Letchford (Keynote/plenary speaker)

    07/2007

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

  31. Optimisation over cones

    Adam Letchford (Speaker)

    04/2010

    Activity: Talk or presentation types › Invited talk

  32. Operations Research (Journal)

    Adam Letchford (Associate Editor)

    2012 → 2018

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

  33. On traveling salesman games

    Adam Letchford (Speaker)

    01/2003

    Activity: Talk or presentation types › Invited talk

  34. On non-convex quadratic programming with box constraints

    Adam Letchford (Speaker)

    04/2009

    Activity: Talk or presentation types › Invited talk

  35. Oberwolfach Workshop on Combinatorial Optimisation

    Adam Letchford (Invited speaker)

    01/1999

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

  36. Mixed-Integer Programming Workshop (MIP 2008)

    Adam Letchford (Invited speaker)

    08/2008

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

  37. Mixed-Integer Programming Workshop

    Adam Letchford (Member of programme committee)

    2005

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

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

    Adam Letchford (Speaker)

    10/2010

    Activity: Talk or presentation types › Invited talk

  39. Mathematical Programming Computation (Journal)

    Adam Letchford (Associate Editor)

    2008 → 2012

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

  40. Mathematical Programming (Journal)

    Adam Letchford (Associate Editor)

    2003 → 2012

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

  41. Mathematical Programming (Journal)

    Adam Letchford (Guest editor)

    2015

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

  42. London School of Economics

    Adam Letchford (Examiner)

    06/2010 → 09/2012

    Activity: Visiting an external institution types › Visiting an external academic institution

  43. LANCS Workshop on Modelling and Solving Complex Optimisation Problems

    Adam Letchford (Speaker)

    04/2011

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

  44. LANCS International Workshop on Discrete and Nonlinear Optimisation

    Adam Letchford (Speaker)

    05/2013

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

  45. Journées de l'Optimisation 2005

    Adam Letchford (Speaker)

    05/2005

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

  46. Integer Programming Conference in Honor of Egon Balas

    Adam Letchford (Keynote/plenary speaker)

    06/2002

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

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

    Adam Letchford (Speaker)

    30/11/2022

    Activity: Talk or presentation types › Invited talk

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

    Adam Letchford (Speaker)

    6/12/2022

    Activity: Talk or presentation types › Invited talk

  49. Improving a constructive heuristic for the general routing problem

    Adam Letchford (Speaker)

    6/09/2022

    Activity: Talk or presentation types › Invited talk

  50. Fifty years of cutting planes

    Adam Letchford (Invited speaker)

    06/2009

    Activity: Talk or presentation types › Invited talk

  51. Exploring the relationship between max-cut and stable set relaxations

    Adam Letchford (Speaker)

    09/2004

    Activity: Talk or presentation types › Invited talk

  52. EURO Journal on Computational Optimization (Journal)

    Adam Letchford (Associate Editor)

    2012 → …

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

  53. Discrete Optimization (Journal)

    Adam Letchford (Associate Editor)

    2009 → 2012

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

  54. Discrete Optimization (Journal)

    Adam Letchford (Guest editor)

    2007

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

  55. Discrete Applied Mathematics (Journal)

    Adam Letchford (Guest editor)

    2008

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

  56. Convex relaxations of the stable set problem

    Adam Letchford (Speaker)

    03/2011

    Activity: Talk or presentation types › Invited talk

  57. Computational Optimization and Applications (Journal)

    Adam Letchford (Associate Editor)

    2005 → 2009

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

  58. Canadian Operational Research Society Annual Conference (CORS)

    Adam Letchford (Keynote/plenary speaker)

    05/2006

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

  59. Bonn Workshop on Combinatorial Optimisation

    Adam Letchford (Invited speaker)

    11/2008

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

  60. Bit representations of mixed-integer quadratic programs

    Adam Letchford (Speaker)

    6/12/2016

    Activity: Talk or presentation types › Invited talk

  61. Binary positive semidefinite matrices and some related polytopes

    Adam Letchford (Visitor)

    08/2008

    Activity: Talk or presentation types › Invited talk

  62. Bertinoro Workshop on Combinatorial Optimisation

    Adam Letchford (Speaker)

    05/2004

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

  63. Associazione Italiana di Ricerca Operativa (External organisation)

    Adam Letchford (Member)

    2001 → 2011

    Activity: Membership types › Member of an organisation

  64. An introduction to second-order cone programming

    Adam Letchford (Speaker)

    09/2010

    Activity: Talk or presentation types › Invited talk

  65. An introduction to conic programming

    Adam Letchford (Speaker)

    08/2007

    Activity: Talk or presentation types › Invited talk

  66. An introduction to approximation algorithms (and inapproximability)

    Adam Letchford (Speaker)

    24/02/2015

    Activity: Talk or presentation types › Invited talk

  67. ALIO/EURO Conference on Combinatorial Optimization

    Adam Letchford (Member of programme committee)

    2008

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

  68. Algorithms for planar graphs

    Adam Letchford (Speaker)

    12/2005

    Activity: Talk or presentation types › Invited talk

  69. Algorithmic Aspects in Information and Management

    Adam Letchford (Member of programme committee)

    2010

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

  70. A tutorial on mixed-integer non-linear programming

    Adam Letchford (Speaker)

    11/2010

    Activity: Talk or presentation types › Invited talk

  71. A new approach to quadratic unconstrained binary optimisation

    Adam Letchford (Speaker)

    1/02/2023

    Activity: Talk or presentation types › Invited talk

  72. 9th Conference in Integer Programming and Combinatorial Optimization (IPCO IX)

    Adam Letchford (Speaker)

    05/2002

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

  73. 8th Mixed-Integer Programming Workshop (MIP 2011)

    Adam Letchford (Invited speaker)

    06/2011

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

  74. 8th Aussois Workshop on Combinatorial Optimisation

    Adam Letchford (Invited speaker)

    01/2004

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

  75. 7th Conference on Integer Programming and Combinatorial Optimization (IPCO VII)

    Adam Letchford (Speaker)

    06/1999

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

  76. 6th Aussois Workshop on Combinatorial Optimisation

    Adam Letchford (Invited speaker)

    01/2002

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

  77. 61st Annual Conference of the Operational Research Society (OR61)

    Adam Letchford (Speaker)

    09/2019

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

  78. 60th Annual Conference of the Operational Research Society (OR60)

    Adam Letchford (Speaker)

    09/2018

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

  79. 5th International Symposium on Combinatorial Optimization (ISCO)

    Adam Letchford (Member of programme committee)

    01/2018 → 05/2018

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

  80. 5th International Symposium on Combinatorial Optimization (ISCO)

    Adam Letchford (Speaker)

    04/2018

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

  81. 5th Aussois Workshop on Combinatorial Optimization

    Adam Letchford (Invited speaker)

    03/2001

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

  82. 51st Annual Conference of the Operational Research Society (OR51)

    Adam Letchford (Organiser)

    2009

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

  83. 51st Annual Conference of the Operational Research Society (OR51)

    Adam Letchford (Speaker)

    09/2009

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

  84. 4th Workshop on Arc Routing Problems

    Adam Letchford (Participant)

    22/05/2022 → 24/05/2022

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

  85. 4th Joint IMA/ORS Conference on the Mathematics of Operational Research

    Adam Letchford (Member of programme committee)

    26/04/2023 → 28/04/2023

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

  86. 4th Joint IMA/ORS Conference on the Mathematics of Operational Research

    Sebastian Caceres Gelvez (Speaker) & Adam Letchford (Speaker)

    26/04/2023

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

  87. 4th Joint IMA/ORS Conference on the Mathematics of Operational Research

    Adam Letchford (Invited speaker)

    04/2023

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

  88. 4th International Symposium on Combinatorial Optimization (ISCO)

    Adam Letchford (Keynote/plenary speaker)

    18/05/2016

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

  89. 4th International Network Optimization Conference (INOC 2009)

    Adam Letchford (Member of programme committee)

    01/2009 → 04/2009

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

  90. 4th International Network Optimization Conference (INOC 2009)

    Adam Letchford (Invited speaker)

    04/2009

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

  91. 4th Aussois Workshop on Combinatorial Optimisation

    Adam Letchford (Invited speaker)

    03/2000

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

  92. 3rd International Network Optimization Conference (INOC 2007)

    Adam Letchford (Keynote/plenary speaker)

    04/2007

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

  93. 3rd IMA/ORS Conference on the Mathematics of Operational Research

    Adam Letchford (Member of programme committee)

    20/04/2021 → 23/04/2021

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

  94. 3rd Aussois Workshop on Combinatorial Optimization

    Adam Letchford (Invited speaker)

    03/1999

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

  95. 37th Annual Conference of the Operational Research Society (OR37)

    Adam Letchford (Speaker)

    09/1995

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

  96. 36th Conference of the European Chapter on Combinatorial Optimization

    Sebastian Caceres Gelvez (Speaker) & Adam Letchford (Speaker)

    12/05/2023

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

  97. 34th Conference of the European Chapter on Combinatorial Optimization (ECCO XXXIV)

    Adam Letchford (Speaker)

    06/2021

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

  98. 34th Annual Conference of the Italian Operational Research Society (AIRO)

    Adam Letchford (Speaker)

    09/2003

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

  99. 34th Annual Conference of the Belgian Operational Research Society (ORBEL34)

    Adam Letchford (Keynote/plenary speaker)

    30/01/2020

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

  100. 30th European Conference on Operational Research (EURO XXX)

    Adam Letchford (Invited speaker)

    25/06/2019

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

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