55 search results - page 1 / 11 » Improved bounds for vehicle routing solutions |
DISOPT
2006
13 years 4 months ago
2006
We present lower bounds for the vehicle routing problem (VRP) with and without split deliveries, improving the well known bound of Haimovich and Rinnooy Kan. These bounds are then...
WEA
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. This work deals with the Vehicle Routing Problem with Simultaneous Pickup and Delivery. We propose undirected and directed two-commodity flow formulations, which are bas...
EOR
2008
13 years 4 months ago
2008
In this paper we study a rich vehicle routing problem incorporating various complexities found in real-life applications. The General Vehicle Routing Problem (GVRP) is a combined ...
MP
2006
13 years 4 months ago
2006
We consider the vehicle routing problem where one can choose among vehicles with different costs and capacities to serve the trips. We develop six different formulations: the first...
COR
2011
2011
An improved multi-objective evolutionary algorithm for the vehicle routing problem with time windows
12 years 11 months ago
The Vehicle Routing Problem with Time Windows is a complex combinatorial problem with many real-world applications in transportation and distribution logistics. Its main objective...