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CORR
2010
Springer
159views Education» more  CORR 2010»
14 years 10 months ago
On optimizing over lift-and-project closures
The lift-and-project closure is the relaxation obtained by computing all lift-and-project cuts from the initial formulation of a mixed integer linear program or equivalently by co...
Pierre Bonami
EOR
2008
110views more  EOR 2008»
15 years 1 months ago
Runway sequencing with holding patterns
We study a scheduling problem, motivated by air-traffic control, in which a set of aircrafts are about to land on a single runway. When coming close to the landing area of the air...
Konstantin Artiouchine, Philippe Baptiste, Christo...
MP
2006
119views more  MP 2006»
15 years 1 months ago
Approximate extended formulations
Mixed integer programming (MIP) formulations are typically tightened through the use of a separation algorithm and the addition of violated cuts. Using extended formulations involv...
Mathieu Van Vyve, Laurence A. Wolsey
IPCO
2004
100views Optimization» more  IPCO 2004»
15 years 2 months ago
Valid Inequalities Based on Simple Mixed-Integer Sets
In this paper we use facets of simple mixed-integer sets with three variables to derive a parametric family of valid inequalities for general mixed-integer sets. We call these ine...
Sanjeeb Dash, Oktay Günlük
EUROGP
2004
Springer
15 years 6 months ago
Genetic Programming Applied to Mixed Integer Programming
Konstantinos Kostikas, Charalambos Fragakis