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CORR
2010
Springer
159views Education» more  CORR 2010»
13 years 8 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»
13 years 11 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»
13 years 10 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»
14 years 8 days 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
14 years 4 months ago
Genetic Programming Applied to Mixed Integer Programming
Konstantinos Kostikas, Charalambos Fragakis