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type_genre:"Article in journal"
~subject:"Mathematische Optimierung"
~person:"Letchford, Adam N."
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Mathematische Optimierung
Theorie
29
Theory
29
Mathematical programming
22
Ganzzahlige Optimierung
11
Integer programming
11
Polyhedral combinatorics
8
Tourenplanung
6
Vehicle routing problem
6
Betriebliche Standortwahl
5
Firm location choice
5
Heuristics
5
Heuristik
5
Rundreiseproblem
5
Travelling salesman problem
5
Branch-and-cut
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Facility location
4
Combinatorial optimisation
3
Knapsack problems
3
Mixed-integer linear programming
3
Mixed-integer nonlinear programming
3
Scheduling problem
3
Scheduling-Verfahren
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USA
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Vehicle routing
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Beziehungsmarketing
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Combinatorial optimization
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Global optimisation
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Lifted cover inequalities
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Max-cut problem
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Nichtlineare Optimierung
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Nonlinear programming
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integer programming
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English
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Letchford, Adam N.
Bertsimas, Dimitris
38
Gendreau, Michel
38
Escudero, Laureano F.
35
Laporte, Gilbert
32
Dolgui, Alexandre
31
Goerigk, Marc
31
Pardalos, Panos M.
30
Puerto, Justo
30
Drezner, Zvi
28
Lodi, Andrea
28
Figueira, José Rui
25
Hertog, Dirk den
25
Desaulniers, Guy
22
Speranza, Maria Grazia
22
Ahmed, Shabbir
21
Hao, Jin-Kao
21
Ljubić, Ivana
21
Poss, Michael
21
Iori, Manuel
20
Jeyakumar, Vaithilingam
20
Labbé, Martine
20
Morabito, Reinaldo
20
Savelsbergh, Martin W. P.
20
Schöbel, Anita
20
Chu, Chengbin
19
Gendron, Bernard
19
Martello, Silvano
19
Monaci, Michele
19
Soumis, François
19
Alvarez-Valdes, Ramon
18
Coelho, Leandro C.
18
Powell, Warren B.
18
Schmidt, Martin
18
Shen, Siqian
18
Voß, Stefan
18
Delage, Erick
17
Furini, Fabio
17
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17
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Operations research letters
11
European journal of operational research : EJOR
4
Computers & operations research : and their applications to problems of world concern ; an international journal
3
INFORMS journal on computing : JOC
2
International transactions in operational research : a journal of the International Federation of Operational Research Societies
1
RAIRO / Operations research
1
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1
Matheuristics : survey and synthesis
Boschetti, Marco A.
;
Letchford, Adam N.
;
Maniezzo, Vittorio
- In:
International transactions in operational research : a …
30
(
2023
)
6
,
pp. 2840-2866
Persistent link: https://www.econbiz.de/10014327894
Saved in:
2
On some lower bounds for the permutation flowshop problem
Cáceres Gelvez, Sebastian
;
Thu Huong Dang
;
Letchford, …
- In:
Computers & operations research : and their …
159
(
2023
),
pp. 1-9
Persistent link: https://www.econbiz.de/10014455583
Saved in:
3
Generalised 2-circulant inequalities for the max-cut problem
Kaparis, Konstantinos
;
Letchford, Adam N.
;
Mourtos, Ioannis
- In:
Operations research letters
50
(
2022
)
2
,
pp. 122-128
Persistent link: https://www.econbiz.de/10013192621
Saved in:
4
Revisiting surrogate relaxation for the multidimensional knapsack problem
Dokka, Trivikram
;
Letchford, Adam N.
;
Mansoor, M. Hasan
- In:
Operations research letters
50
(
2022
)
6
,
pp. 674-684
Persistent link: https://www.econbiz.de/10014230175
Saved in:
5
A separation algorithm for the simple plant location problem
Galli, Laura
;
Letchford, Adam N.
- In:
Operations research letters
49
(
2021
)
4
,
pp. 610-615
Persistent link: https://www.econbiz.de/10012649048
Saved in:
6
Using ℓp-norms for fairness in combinatorial optimisation
Bektaş, Tolga
;
Letchford, Adam N.
- In:
Computers & operations research : and their …
120
(
2020
),
pp. 1-11
Persistent link: https://www.econbiz.de/10012236839
Saved in:
7
Valid inequalities for mixed-integer programmes with fixed charges on sets of variables
Letchford, Adam N.
;
Souli, Georgia
- In:
Operations research letters
48
(
2020
)
3
,
pp. 240-244
Persistent link: https://www.econbiz.de/10012254063
Saved in:
8
Lifting the knapsack cover inequalities for the knapsack polytope
Letchford, Adam N.
;
Souli, Georgia
- In:
Operations research letters
48
(
2020
)
5
,
pp. 607-611
Persistent link: https://www.econbiz.de/10012303420
Saved in:
9
On lifted cover inequalities : a new lifting procedure with unusual properties
Letchford, Adam N.
;
Souli, Georgia
- In:
Operations research letters
47
(
2019
)
2
,
pp. 83-87
Persistent link: https://www.econbiz.de/10012003267
Saved in:
10
New valid inequalities for the fixed-charge and single-node flow polytopes
Letchford, Adam N.
;
Souli, Georgia
- In:
Operations research letters
47
(
2019
)
5
,
pp. 353-357
Persistent link: https://www.econbiz.de/10012110590
Saved in:
11
A guide to conic optimisation and its applications
Letchford, Adam N.
;
Parkes, Andrew J.
- In:
RAIRO / Operations research
52
(
2018
)
4/5
,
pp. 1087-1106
Persistent link: https://www.econbiz.de/10011987270
Saved in:
12
New valid inequalities and facets for the Simple Plant Location Problem
Galli, Laura
;
Letchford, Adam N.
;
Miller, Sebastian J.
- In:
European journal of operational research : EJOR
269
(
2018
)
3
,
pp. 824-833
Persistent link: https://www.econbiz.de/10011866666
Saved in:
13
A note on the 2-circulant inequalities for the max-cut problem
Kaparis, Konstantinos
;
Letchford, Adam N.
- In:
Operations research letters
46
(
2018
)
4
,
pp. 443-447
Persistent link: https://www.econbiz.de/10011916167
Saved in:
14
A binarisation heuristic for non-convex quadratic programming with box constraints
Galli, Laura
;
Letchford, Adam N.
- In:
Operations research letters
46
(
2018
)
5
,
pp. 529-533
Persistent link: https://www.econbiz.de/10011936694
Saved in:
15
A note on representations of linear inequalities in non-convex mixed-integer quadratic programs
Letchford, Adam N.
;
Grainger, Daniel J.
- In:
Operations research letters
45
(
2017
)
6
,
pp. 631-634
Persistent link: https://www.econbiz.de/10011783062
Saved in:
16
Stronger multi-commodity flow formulations of the (capacitated) sequential ordering problem
Letchford, Adam N.
;
Salazar-González, Juan-José
- In:
European journal of operational research : EJOR
251
(
2016
)
1
,
pp. 74-84
Persistent link: https://www.econbiz.de/10011446200
Saved in:
17
An aggressive reduction scheme for the simple plant location problem
Letchford, Adam N.
;
Miller, Sebastian J.
- In:
European journal of operational research : EJOR
234
(
2014
)
3
,
pp. 674-682
Persistent link: https://www.econbiz.de/10010360432
Saved in:
18
A dynamic programming heuristic for the quadratic knapsack problem
Fomeni, Franklin Djeumou
;
Letchford, Adam N.
- In:
INFORMS journal on computing : JOC
26
(
2014
)
1
,
pp. 173-182
Persistent link: https://www.econbiz.de/10010344107
Saved in:
19
Fast bounding procedures for large instances of the Simple Plant Location Problem
Letchford, Adam N.
;
Miller, Sebastian J.
- In:
Computers & operations research : and their …
39
(
2012
)
5
,
pp. 985-990
Persistent link: https://www.econbiz.de/10009406944
Saved in:
20
Decorous lower bounds for minimum linear arrangement
Caprara, Alberto
;
Letchford, Adam N.
; …
- In:
INFORMS journal on computing : JOC
23
(
2011
)
1
,
pp. 26-40
Persistent link: https://www.econbiz.de/10008935648
Saved in:
21
Gap inequalities for non-convex mixed-integer quadratic programs
Galli, Laura
;
Kaparis, Konstantinos
;
Letchford, Adam N.
- In:
Operations research letters
39
(
2011
)
5
,
pp. 297-300
Persistent link: https://www.econbiz.de/10009354915
Saved in:
22
Local and global lifted cover inequalities for the 0 - 1 multidimensional knapsack problem
Kaparis, Konstantinos
;
Letchford, Adam N.
- In:
European journal of operational research : EJOR
186
(
2008
)
1
,
pp. 91-103
Persistent link: https://www.econbiz.de/10003769460
Saved in:
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