169
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OR
15 years 11 months ago
2005 Springer 
In the open route version of the well-known vehicle routing problem, vehicles are not required to return to the depot; or if they are required, then they return by traveling the sa...
141
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OR
15 years 11 months ago
2005 Springer 
The fare planning problem for public transport is to design a system of fares that maximize the revenue. We introduce a nonlinear optimization model to approach this problem. It i...
154
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CPAIOR
15 years 11 months ago
2005 Springer
A cardinality constraint imposes that each value of a set V must be taken a certain number of times by a set of variables X, whereas an among constraint imposes that a certain numb...
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Operations Research