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MP
2006
77views more  MP 2006»
13 years 6 months ago
Zigzag inequalities: a new class of facet-inducing inequalities for Arc Routing Problems
In this paper we introduce a new class of facet-inducing inequalities for the Windy Rural Postman Problem and the Windy General Routing Problem. These inequalities are called Zigz...
Angel Corberán, Isaac Plana, José M....
MP
2002
86views more  MP 2002»
13 years 6 months ago
Multistars, partial multistars and the capacitated vehicle routing problem
In an unpublished paper, Araque, Hall and Magnanti considered polyhedra associated with the Capacitated Vehicle Routing Problem (CVRP) in the special case of unit demands. Among th...
Adam N. Letchford, Richard W. Eglese, Jens Lysgaar...
ATMOS
2010
308views Optimization» more  ATMOS 2010»
13 years 5 months ago
The Team Orienteering Problem: Formulations and Branch-Cut and Price
The Team Orienteering Problem is a routing problem on a graph with durations associated to the arcs and profits assigned to visiting the vertices. A fixed number of identical ve...
Marcus Poggi de Aragão, Henrique Viana, Edu...
MP
2010
116views more  MP 2010»
13 years 5 months ago
New techniques for cost sharing in combinatorial optimization games
Combinatorial optimization games form an important subclass of cooperative games. In recent years, increased attention has been given to the issue of finding good cost shares for...
Alberto Caprara, Adam N. Letchford
MP
1998
136views more  MP 1998»
13 years 6 months ago
Minimum cost capacity installation for multicommodity network flows
Consider a directed graph G = (V;A), and a set of tra c demands to be shipped between pairs of nodes in V. Capacity has to be installed on the edges of this graph (in integer mult...
Daniel Bienstock, Sunil Chopra, Oktay Günl&uu...