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  1. 2024

  2. Progress on the uncapacitated facility location problem

    Letchford, A. (Speaker)

    4/09/2024

    Activity: Talk or presentation types › Invited talk

  3. 8th International Symposium on Combinatorial Optimization

    Letchford, A. (Speaker)

    24/05/2024

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

  4. 8th International Symposium on Combinatorial Optimization

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

    22/05/2024 → 24/05/2024

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

  5. 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

  6. 8th International Symposium on Combinatorial Optimization

    Letchford, A. (Member of programme committee)

    1/01/2024 → 24/05/2024

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

  7. 2023

  8. 36th Conference of the European Chapter on Combinatorial Optimization

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

    11/05/2023 → 14/05/2023

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

  9. 4th Joint IMA/ORS Conference on the Mathematics of Operational Research

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

    26/04/2023 → 28/04/2023

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

  10. 4th Joint IMA/ORS Conference on the Mathematics of Operational Research

    Letchford, A. (Invited speaker)

    04/2023

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

  11. A new approach to quadratic unconstrained binary optimisation

    Letchford, A. (Speaker)

    1/02/2023

    Activity: Talk or presentation types › Invited talk

  12. 2022

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

    Letchford, A. (Speaker)

    6/12/2022

    Activity: Talk or presentation types › Invited talk

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

    Letchford, A. (Speaker)

    30/11/2022

    Activity: Talk or presentation types › Invited talk

  15. 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

  16. Improving a constructive heuristic for the general routing problem

    Letchford, A. (Speaker)

    6/09/2022

    Activity: Talk or presentation types › Invited talk

  17. 2022 International Conference on Optimization and Decision Science (ODS 2022)

    Letchford, A. (Speaker)

    08/2022

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

  18. 4th Workshop on Arc Routing Problems

    Letchford, A. (Participant)

    22/05/2022 → 24/05/2022

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

  19. 2022 STOR-i Workshop on Prediction and Optimisation

    Letchford, A. (Member of programme committee)

    1/01/2022 → 17/06/2022

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

  20. 2021

  21. Consultant - Lancashire Fire & Rescue Service

    Liu, J. (Consultant) & Worthington, D. (Consultant)

    11/10/2021 → 18/02/2022

    Activity: Expert Knowledge and Consultancy types › Consultancy

  22. 14th USA/Europe ATM Seminar 2021

    Lulli, G. (Member of programme committee)

    20/09/2021 → 24/09/2021

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

  23. 34th Conference of the European Chapter on Combinatorial Optimization (ECCO XXXIV)

    Letchford, A. (Speaker)

    06/2021

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

  24. 2020

  25. Consultant - GlaxoSmithKline Project

    Liu, J. (Consultant) & Sachs, A.-L. (Consultant)

    11/12/2020 → 11/03/2021

    Activity: Expert Knowledge and Consultancy types › Consultancy

  26. 34th Annual Conference of the Belgian Operational Research Society (ORBEL34)

    Letchford, A. (Keynote/plenary speaker)

    30/01/2020

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

  27. 2019

  28. International Conference for Research in Air Transportation (Event)

    Lulli, G. (Member)

    11/2019 → 06/2020

    Activity: Membership types › Membership of committee

  29. 61st Annual Conference of the Operational Research Society (OR61)

    Letchford, A. (Speaker)

    09/2019

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

  30. SESAR Innovation Days 2019 (Event)

    Lulli, G. (Member)

    09/2019 → 12/2019

    Activity: Membership types › Membership of committee

  31. 30th European Conference on Operational Research (EURO XXX)

    Letchford, A. (Invited speaker)

    25/06/2019

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

  32. Internal Examiner PhD Committee

    Lulli, G. (Examiner)

    11/06/2019

    Activity: Examination types › Examination

  33. 2nd Joint IMA/ORS Conference on the Mathematics of Operational Research

    Letchford, A. (Invited speaker)

    25/04/2019

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

  34. University of Pisa

    Letchford, A. (Visiting researcher)

    03/2019

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

  35. 2018

  36. Internal Examiner PhD Committee

    Lulli, G. (Examiner)

    5/10/2018

    Activity: Examination types › Examination

  37. 13th USA/Europe ATM R&D Seminar: 2019 ATM R&D Seminar (Event)

    Lulli, G. (Member)

    10/2018 → 06/2019

    Activity: Membership types › Membership of committee

  38. 60th Annual Conference of the Operational Research Society

    Boyaci, B. (Speaker)

    11/09/2018 → 13/09/2018

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

  39. 60th Annual Conference of the Operational Research Society (OR60)

    Letchford, A. (Speaker)

    09/2018

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

  40. SESAR Innovation Days 2018 (Event)

    Lulli, G. (Member)

    09/2018 → 11/2018

    Activity: Membership types › Membership of committee

  41. 23rd International Symposium on Mathematical Programming (ISMP XXIII)

    Letchford, A. (Speaker)

    07/2018

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

  42. External Member PhD Committee

    Lulli, G. (Examiner)

    22/06/2018

    Activity: Examination types › Examination

  43. External Member PhD Committee

    Lulli, G. (Examiner)

    18/06/2018

    Activity: Examination types › Examination

  44. On Radical Extensions to Multi-Armed bandits and to Notions of Indexation

    Glazebrook, K. (Speaker)

    14/06/2018

    Activity: Talk or presentation types › Invited talk

  45. Odysseus 2018 Seventh International Workshop on Freight Transportation and Logistics

    Boyaci, B. (Speaker)

    3/06/2018 → 8/06/2018

    Activity: Participating in or organising an event types › Participation in workshop, seminar, course

  46. 5th International Symposium on Combinatorial Optimization (ISCO)

    Letchford, A. (Speaker)

    04/2018

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

  47. 23rd International Symposium on Mathematical Programming (ISMP XXIII)

    Letchford, A. (Member of programme committee)

    1/01/2018 → 6/07/2018

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

  48. 5th International Symposium on Combinatorial Optimization (ISCO)

    Letchford, A. (Member of programme committee)

    1/01/2018 → 13/04/2018

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

  49. 2017

  50. International Conference on Research in Air Transportation (Event)

    Lulli, G. (Member)

    11/2017 → 06/2018

    Activity: Membership types › Membership of committee

  51. IFORS 2017

    Boyaci, B. (Participant)

    17/07/2017 → 21/07/2017

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

  52. SESAR Innovation Days 2017 (Event)

    Lulli, G. (Member)

    07/2017 → 11/2017

    Activity: Membership types › Membership of committee

  53. 1st Joint IMA/ORS Conference on the Mathematics of Operational Research

    Letchford, A. (Invited speaker)

    20/04/2017

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

  54. 2016

  55. Twelfth USA/Europe ATM R&D Seminar (Event)

    Lulli, G. (Member)

    10/2016 → 05/2017

    Activity: Membership types › Membership of committee

  56. 20th Combinatorial Optimisation Conference (CO2016)

    Letchford, A. (Keynote/plenary speaker)

    09/2016

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

  57. SESAR Innovation Days 2016 (Event)

    Lulli, G. (Member)

    07/2016 → 11/2016

    Activity: Membership types › Membership of committee

  58. 4th International Symposium on Combinatorial Optimization (ISCO)

    Letchford, A. (Keynote/plenary speaker)

    18/05/2016

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

  59. 20th Combinatorial Optimisation Conference (CO2016)

    Letchford, A. (Member of programme committee)

    1/01/2016 → 3/09/2016

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

  60. 2015

  61. International Conference on Research in Air Transportation (Event)

    Lulli, G. (Member)

    11/2015 → 06/2016

    Activity: Membership types › Membership of committee

  62. 27th European Conference on Operational Research (EURO XXVII)

    Letchford, A. (Invited speaker)

    12/07/2015 → 15/07/2015

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

  63. 17th British-French-German Optimisation Conference (BFG 2015)

    Letchford, A. (Invited speaker)

    06/2015

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

  64. 2013

  65. 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

  66. 2012

  67. 25th European Conference on Operational Research (EURO XXV)

    Letchford, A. (Speaker)

    07/2012

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

  68. 25th European Conference on Operational Research (EURO XXV)

    Letchford, A. (Speaker)

    07/2012

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

  69. 10th International Conference on Applied Mathematical Optimization and Modelling (APMOD 2012)

    Letchford, A. (Speaker)

    03/2012

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

  70. 10th International Conference on Applied Mathematical Optimization and Modelling (APMOD 2012)

    Letchford, A. (Member of programme committee)

    1/01/2012 → 30/03/2012

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

  71. 18th Combinatorial Optimisation Conference (CO2012)

    Letchford, A. (Member of programme committee)

    1/01/2012 → 19/09/2012

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

  72. 21st International Symposium on Mathematical Programming

    Letchford, A. (Member of programme committee)

    1/01/2012 → 24/08/2012

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

  73. 25th European Conference on Operational Research (EURO XXV)

    Letchford, A. (Member of programme committee)

    2012

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

  74. 2011

  75. 8th Mixed-Integer Programming Workshop (MIP 2011)

    Letchford, A. (Invited speaker)

    06/2011

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

  76. SIAM Conference on Optimization

    Letchford, A. (Invited speaker)

    05/2011

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

  77. 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

  78. 2010

  79. 14th Conference on Integer Programming and Combinatorial Optimization (IPCO XIV)

    Letchford, A. (Speaker)

    06/2010

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

  80. 2010 Joint ECCO-CO Conference

    Letchford, A. (Speaker)

    05/2010

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

  81. 2nd LANCS Workshop on Discrete and Nonlinear Optimisation

    Letchford, A. (Speaker)

    03/2010

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

  82. 2010 Joint ECCO-CO Conference

    Letchford, A. (Member of programme committee)

    1/01/2010 → 29/05/2010

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

  83. Algorithmic Aspects in Information and Management

    Letchford, A. (Member of programme committee)

    1/01/2010 → 21/07/2010

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

  84. 2nd LANCS Workshop in Heuristic Understanding

    Letchford, A. (Speaker)

    01/2010

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

  85. 2009

  86. 51st Annual Conference of the Operational Research Society (OR51)

    Letchford, A. (Speaker)

    09/2009

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

  87. 23rd European Conference on Operational Research (EURO XXIII)

    Letchford, A. (Invited speaker)

    07/2009

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

  88. Fifty years of cutting planes

    Letchford, A. (Invited speaker)

    06/2009

    Activity: Talk or presentation types › Invited talk

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

    Letchford, A. (Invited speaker)

    04/2009

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

  90. 1st Student Conference on Operational Research

    Letchford, A. (Keynote/plenary speaker)

    03/2009

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

  91. 1st LANCS Workshop on Discrete and Nonlinear Optimisation

    Letchford, A. (Speaker)

    02/2009

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

  92. 4th International Network Optimization Conference (INOC 2009)

    Letchford, A. (Member of programme committee)

    1/01/2009 → 29/04/2009

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

  93. 23rd European Conference on Operational Research (EURO XXIII)

    Letchford, A. (Organiser)

    2009

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

  94. 51st Annual Conference of the Operational Research Society (OR51)

    Letchford, A. (Organiser)

    2009

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

  95. 2008

  96. Bonn Workshop on Combinatorial Optimisation

    Letchford, A. (Invited speaker)

    11/2008

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

  97. Mixed-Integer Programming Workshop (MIP 2008)

    Letchford, A. (Invited speaker)

    08/2008

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

  98. 13th Conference on Integer Programming and Combinatorial Optimization (IPCO XIII)

    Letchford, A. (Speaker)

    05/2008

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

  99. 15th Combinatorial Optimisation Conference (CO2008)

    Letchford, A. (Keynote/plenary speaker)

    03/2008

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

  100. 12th Aussois Workshop on Combinatorial Optimisation

    Letchford, A. (Invited speaker)

    01/2008

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

  101. 2nd INFORMS Optimization Society Conference (2008)

    Letchford, A. (Member of programme committee)

    2008

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

  102. ALIO/EURO Conference on Combinatorial Optimization

    Letchford, A. (Member of programme committee)

    2008

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

  103. 2007

  104. Optimization 2007

    Letchford, A. (Keynote/plenary speaker)

    07/2007

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

  105. 3rd International Network Optimization Conference (INOC 2007)

    Letchford, A. (Keynote/plenary speaker)

    04/2007

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

  106. 2006

  107. Semidefinite programming and combinatorial optimization

    Letchford, A. (Speaker)

    11/2006

    Activity: Talk or presentation types › Invited talk

  108. 21st European Conference on Operational Research (EURO XXI)

    Letchford, A. (Speaker)

    07/2006

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

  109. Canadian Operational Research Society Annual Conference (CORS)

    Letchford, A. (Keynote/plenary speaker)

    05/2006

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

  110. Spring School on Vehicle Routing

    Letchford, A. (Invited speaker)

    05/2006

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

  111. 2005

  112. Journées de l'Optimisation 2005

    Letchford, A. (Speaker)

    05/2005

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

  113. 11th Conference on Integer Programming and Combinatorial Optimization (IPCO XI)

    Letchford, A. (Member of programme committee)

    2005

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

  114. Mixed-Integer Programming Workshop

    Letchford, A. (Member of programme committee)

    2005

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

  115. 2004

  116. Bertinoro Workshop on Combinatorial Optimisation

    Letchford, A. (Speaker)

    05/2004

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

  117. 13th Combinatorial Optimisation Conference (CO2004)

    Letchford, A. (Speaker)

    03/2004

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

  118. 8th Aussois Workshop on Combinatorial Optimisation

    Letchford, A. (Invited speaker)

    01/2004

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

  119. 13th Combinatorial Optimisation Conference (CO2004)

    Letchford, A. (Member of programme committee)

    2004

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

  120. 2003

  121. 34th Annual Conference of the Italian Operational Research Society (AIRO)

    Letchford, A. (Speaker)

    09/2003

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

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