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51

New inequalities for the General Routing Problem

Adam N. Letchford

Journal:

European Journal of Operational Research

Year:

1997

Language:

english

File:

PDF, 349 KB

english, 1997

52

The general routing polyhedron: A unifying framework

Adam N Letchford

Journal:

European Journal of Operational Research

Year:

1999

Language:

english

File:

PDF, 253 KB

english, 1999

53

On Disjunctive Cuts for Combinatorial Optimization

Adam N. Letchford

Journal:

Journal of Combinatorial Optimization

Year:

2001

Language:

english

File:

PDF, 120 KB

english, 2001

54

Fast bounding procedures for large instances of the Simple Plant Location Problem

Adam N. Letchford, Sebastian J. Miller

Journal:

Computers & Operations Research

Year:

2012

Language:

english

File:

PDF, 161 KB

english, 2012

55

Gap inequalities for non-convex mixed-integer quadratic programs

Laura Galli, Konstantinos Kaparis, Adam N. Letchford

Journal:

Operations Research Letters

Year:

2011

Language:

english

File:

PDF, 220 KB

english, 2011

56

On the membership problem for the -closure

Adam N. Letchford, Sebastian Pokutta, Andreas S. Schulz

Journal:

Operations Research Letters

Year:

2011

Language:

english

File:

PDF, 229 KB

english, 2011

57

Complexity results for the gap inequalities for the max-cut problem

Laura Galli, Konstantinos Kaparis, Adam N. Letchford

Journal:

Operations Research Letters

Year:

2012

Language:

english

File:

PDF, 240 KB

english, 2012

58

A compact variant of the QCR method for quadratically constrained quadratic 0–1 programs

Laura Galli, Adam N. Letchford

Journal:

Optimization Letters

Year:

2014

Language:

english

File:

PDF, 195 KB

english, 2014

59

Unbounded convex sets for non-convex mixed-integer quadratic programming

Burer, Samuel, Letchford, Adam N.

Journal:

Mathematical Programming

Year:

2014

Language:

english

File:

PDF, 369 KB

english, 2014

60

A polyhedral approach to the single row facility layout problem

Amaral, André R. S., Letchford, Adam N.

Journal:

Mathematical Programming

Year:

2013

Language:

english

File:

PDF, 307 KB

english, 2013

61

Approximating the Lovász θ Function with the Subgradient Method

Giandomenico, Monia, Letchford, Adam N., Rossi, Fabrizio, Smriglio, Stefano

Journal:

Electronic Notes in Discrete Mathematics

Year:

2013

Language:

english

File:

PDF, 206 KB

english, 2013

62

Allocation of School Bus Contracts by Integer Programming

Adam N. Letchford

Journal:

Journal of the Operational Research Society

Year:

1996

Language:

english

File:

PDF, 151 KB

english, 1996

63

A new separation algorithm for the Boolean quadric and cut polytopes

Letchford, Adam N., Sørensen, Michael M.

Journal:

Discrete Optimization

Year:

2014

Language:

english

File:

PDF, 431 KB

english, 2014

64

Pricing routines for vehicle routing with time windows on road networks

Letchford, Adam N., Nasiri, Saeideh D., Oukil, Amar

Journal:

Computers & Operations Research

Year:

2014

Language:

english

File:

PDF, 421 KB

english, 2014

65

The 2013 Newton Institute Programme on polynomial optimization

Letchford, Adam N., Lasserre, Jean B., Parrilo, Pablo A., Steurer, David

Journal:

Mathematical Programming

Year:

2015

Language:

english

File:

PDF, 94 KB

english, 2015

66

Cutting planes for RLT relaxations of mixed 0–1 polynomial programs

Fomeni, Franklin Djeumou, Kaparis, Konstantinos, Letchford, Adam N.

Journal:

Mathematical Programming

Year:

2015

Language:

english

File:

PDF, 249 KB

english, 2015

67

Decorous Lower Bounds for Minimum Linear Arrangement

Caprara, Alberto, Letchford, Adam N., Salazar-González, Juan-José

Journal:

INFORMS Journal on Computing

Year:

2011

Language:

english

File:

PDF, 204 KB

english, 2011

68

A Dynamic Programming Heuristic for the Quadratic Knapsack Problem

Fomeni, Franklin Djeumou, Letchford, Adam N.

Journal:

INFORMS Journal on Computing

Year:

2014

Language:

english

File:

PDF, 241 KB

english, 2014

69

Ellipsoidal Relaxations of the Stable Set Problem: Theory and Algorithms

Giandomenico, Monia, Letchford, Adam N., Rossi, Fabrizio, Smriglio, Stefano

Journal:

SIAM Journal on Optimization

Year:

2015

Language:

english

File:

PDF, 281 KB

english, 2015

70

Separating a Superclass of Comb Inequalities in Planar Graphs

Adam N. Letchford

Journal:

Mathematics of Operations Research

Year:

2000

Language:

english

File:

PDF, 647 KB

english, 2000

71

Polynomial-Time Separation of a Superclass of Simple Comb Inequalities

Lisa K. Fleischer, Adam N. Letchford and Andrea Lodi

Journal:

Mathematics of Operations Research

Year:

2006

Language:

english

File:

PDF, 2.03 MB

english, 2006

72

Polynomial-Time Separation of a Superclass of Simple Comb Inequalities

Fleischer, Lisa K., Letchford, Adam N., Lodi, Andrea

Journal:

Mathematics of Operations Research

Year:

2006

Language:

english

File:

PDF, 299 KB

english, 2006

73

Separating a Superclass of Comb Inequalities in Planar Graphs

Letchford, Adam N.

Journal:

Mathematics of Operations Research

Year:

2000

Language:

english

File:

PDF, 164 KB

english, 2000

74

An exact algorithm for a resource allocation problem in mobile wireless communications

Letchford, Adam N., Ni, Qiang, Zhong, Zhaoyu

Journal:

Computational Optimization and Applications

Year:

2017

Language:

english

File:

PDF, 523 KB

english, 2017

75

-partition problem

Fairbrother, Jamie, Letchford, Adam N.

Journal:

Discrete Optimization

Year:

2017

Language:

english

File:

PDF, 770 KB

english, 2017

76

A note on representations of linear inequalities in non-convex mixed-integer quadratic programs

Letchford, Adam N., Grainger, Daniel J.

Journal:

Operations Research Letters

Year:

2017

Language:

english

File:

PDF, 221 KB

english, 2017

77

A two-level graph partitioning problem arising in mobile wireless communications

Fairbrother, Jamie, Letchford, Adam N., Briggs, Keith

Journal:

Computational Optimization and Applications

Year:

2018

Language:

english

File:

PDF, 648 KB

english, 2018

78

A note on the 2-circulant inequalities for the max-cut problem

Kaparis, Konstantinos, Letchford, Adam N.

Journal:

Operations Research Letters

Year:

2018

Language:

english

File:

PDF, 351 KB

english, 2018

79

penalty

Fearnhead, Paul, Maidstone, Robert, Letchford, Adam

Journal:

Journal of Computational and Graphical Statistics

Year:

2018

Language:

english

File:

PDF, 1.22 MB

english, 2018

80

A guide to conic optimisation and its applications

Letchford, Adam N., Parkes, Andrew J.

Journal:

RAIRO - Operations Research

Year:

2018

Language:

english

File:

PDF, 595 KB

english, 2018

81

On lifted cover inequalities: A new lifting procedure with unusual properties

Letchford, Adam N., Souli, Georgia

Journal:

Operations Research Letters

Year:

2018

Language:

english

File:

PDF, 392 KB

english, 2018

82

A heuristic for fair dynamic resource allocation in overloaded OFDMA systems

Letchford, Adam N., Ni, Qiang, Zhong, Zhaoyu

Journal:

Journal of Heuristics

Year:

2019

Language:

english

File:

PDF, 270 KB

english, 2019

83

A heuristic for fair dynamic resource allocation in overloaded OFDMA systems

Letchford, Adam N., Ni, Qiang, Zhong, Zhaoyu

Journal:

Journal of Heuristics

Year:

2019

File:

PDF, 270 KB

2019

84

P048. Interim analysis of an evaluation of clinical service impact of switching from wire to magnetic seeds for localisation of impalpable breast lesions for surgery

Micha, Aikaterini, Sinnett, Victoria, Wilson, Robin, Adams, Elisabeth, Letchford, Nicholas, Patrick, Elaine, Hector, Lauren, Allum, William, Barry, Peter, Krupa, Katherine, Rusby, Jennifer

Journal:

European Journal of Surgical Oncology (EJSO)

Year:

2019

File:

PDF, 50 KB

2019

85

Facets from gadgets

Letchford, Adam N., Vu, Anh N.

Journal:

Mathematical Programming

Year:

2019

File:

PDF, 399 KB

2019

86

Adaptive policies for perimeter surveillance problems

Grant, James A., Leslie, David S., Glazebrook, Kevin, Szechtman, Roberto, Letchford, Adam N.

Journal:

European Journal of Operational Research

Year:

2020

File:

PDF, 1.80 MB

2020

87

On matroid parity and matching polytopes

Kaparis, Konstantinos, Letchford, Adam N., Mourtos, Ioannis

Journal:

Discrete Applied Mathematics

Year:

2020

File:

PDF, 391 KB

2020

88

Using â -norms for fairness in combinatorial optimisation

BektaÅ, Tolga, Letchford, Adam N.

Journal:

Computers & Operations Research

Year:

2020

File:

PDF, 536 KB

2020

89

Lifting the knapsack cover inequalities for the knapsack polytope

Letchford, Adam N., Souli, Georgia

Journal:

Operations Research Letters

Year:

2020

File:

PDF, 417 KB

2020