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Non-standard approaches to integer programming

Aardal, Karen; Weismantel, Robert; Wolsey, Laurence A. - 2000

Persistent link: https://www.econbiz.de/10001461698

Discrete optimization

Aardal, Karen (ed.); Nemhauser, George L. (contributor); … - 2005 - 1. ed.

Persistent link: https://www.econbiz.de/10002383479

Lattice Based Extended Formulations for Integer Linear Equality Systems

Aardal, Karen; Wolsey, Laurence A. - 2007

We study different extended formulations for the set X = {x E Zn | Ax = Ax0} in order to tackle the feasibility problem for the set X+ = X N Zn+. Here the goal is not to find an improved polyhedral relaxation of conv(X+), but rather to reformulate in such a way that the new variables introduced...

Persistent link: https://www.econbiz.de/10014049597

A study of lattice reformulations for integer programming

Aardal, Karen; Scavuzzo, Lara; Wolsey, Laurence A. - In: Operations research letters 51 (2023) 4, pp. 401-407

Persistent link: https://www.econbiz.de/10014426576

Time-dependent MEXCLP with start-up and relocation cost

Berg, Pieter L. van den; Aardal, Karen - In: European journal of operational research : EJOR 242 (2015) 2, pp. 383-389

Persistent link: https://www.econbiz.de/10010491686

Approximation algorithms for hard capacitated k-facility location problems

Aardal, Karen; Berg, Pieter L. van den; Gijswijt, Dion; … - In: European journal of operational research : EJOR 242 (2015) 2, pp. 358-368

Persistent link: https://www.econbiz.de/10010491689

Lattice based extended formulations for integer linear equality systems

Aardal, Karen (contributor); Wolsey, Laurence A. (contributor) - 2007

Persistent link: https://www.econbiz.de/10003432014