DISOPT
2011
12 years 8 months ago
2011
Motivated by an application in highway pricing, we consider the problem that consists in setting profit-maximizing tolls on a clique subset of a multicommodity transportation net...
DISOPT
2011
12 years 8 months ago
2011
In recent years there has been growing interest in generating valid inequalities for mixedinteger programs using sets with 2 or more constraints. In particular, Andersen et al. (2...
MP
2011
12 years 12 months ago
2011
Lifting is a procedure for deriving valid inequalities for mixed-integer sets from valid inequalities for suitable restrictions of those sets. Lifting has been shown to be very e...
IOR
2010
13 years 3 months ago
2010
This paper introduces disjunctive decomposition for two-stage mixed 0-1 stochastic integer programs (SIPs) with random recourse. Disjunctive decomposition allows for cutting plane...
MP
2007
13 years 4 months ago
2007
Abstract One method which has been used very successfully for finding optimal and provably good solutions for large instances of the Symmetric Travelling Salesman Problem (STSP) i...
EOR
2000
13 years 4 months ago
2000
We consider the single itemcapacitated lot{sizingproblem, a well-known productionplanningmodelthat often arises in practical applications, and derive new classes of valid inequali...
MP
2006
13 years 5 months ago
2006
Abstract. We consider the network design problem which consists in determining at minimum cost a 2-edge connected network such that the shortest cycle (a "ring") to which...
DISOPT
2007
13 years 5 months ago
2007
We present a scheme for generating new valid inequalities for mixed integer programs by taking pairwise combinations of existing valid inequalities. Our scheme is related to mixed...
ANOR
2006
13 years 5 months ago
2006
In this paper we introduce a new formulation of the logistics network design problem encountered in deterministic, single-country, single-period contexts. Our formulation is flexi...
ANOR
2007
13 years 5 months ago
2007
In this survey we attempt to give a unified presentation of a variety of results on the lifting of valid inequalities, as well as a standard procedure combining mixed integer roun...