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» Extended formulations in combinatorial optimization
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SARA
2009
Springer
15 years 6 months ago
Modelling Equidistant Frequency Permutation Arrays in Constraints
Equidistant Frequency Permutation Arrays are combinatorial objects of interest in coding theory. A frequency permutation array is a type of constant composition code in which each...
Ian P. Gent, Paul McKay, Ian Miguel, Peter Nightin...
AAIM
2006
Springer
94views Algorithms» more  AAIM 2006»
15 years 5 months ago
Some Basics on Tolerances
In this note we deal with sensitivity analysis of combinatorial optimization problems and its fundamental term, the tolerance. For three classes of objective functions (Σ, Π, MA...
Boris Goldengorin, Gerold Jäger, Paul Molitor
COCOON
2006
Springer
15 years 3 months ago
Fixed Linear Crossing Minimization by Reduction to the Maximum Cut Problem
Many real-life scheduling, routing and location problems can be formulated as combinatorial optimization problems whose goal is to find a linear layout of an input graph in such a ...
Christoph Buchheim, Lanbo Zheng
DAGSTUHL
2007
15 years 1 months ago
Weighted Voronoi Region Algorithms for Political Districting
Automated political districting shares with electronic voting the aim of preventing electoral manipulation and pursuing an impartial electoral mechanism. Political districting can...
Bruno Simeone, Federica Ricca, Andrea Scozzari
COR
2007
79views more  COR 2007»
14 years 11 months ago
Lagrangean relaxation with clusters and column generation for the manufacturer's pallet loading problem
We consider in this paper a new lagrangean relaxation with clusters for the Manufacturer’s Pallet Loading Problem (MPLP). The relaxation is based on the MPLP formulated as a Max...
Glaydston Mattos Ribeiro, Luiz Antonio Nogueira Lo...