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The attractive traveling salesman problem
(Elsevier, 2010-05-16)
In the Attractive Traveling Salesman Problem the vertex set is partitioned into facility vertices and customer vertices. A maximum profit tour must be constructed on a subset of the facility vertices. Profit is computed ...
Metaheuristics for the traveling salesman problem with pickups, deliveries and handling costs
(Elsevier, 2012-05)
This paper studies the Traveling Salesman Problem with Pickups, Deliveries, and Handling Costs. The subproblem of minimizing the handling cost for a fixed route is analyzed in detail. It is solved by means of an exact ...
Collaborative prepositioning network design for regional disaster response
(Wiley, 2019-10)
We present a collaborative prepositioning strategy to strengthen the disaster preparedness of the Caribbean countries, which are frequently hit by hurricanes. Since different subsets of countries are affected in each ...
Designing new electoral districts for the city of Edmonton
(Informs, 2011-12-11)
Every few years, the city of Edmonton, Canada must review and evaluate changes to its electoral district boundaries. The review process that was completed in 2009 resulted in modifying the district plan from a six-ward ...
Scheduling ambulance crews for maximum coverage
(Palgrave MacMillan, 2010-04)
This paper addresses the problem of scheduling ambulance crews in order to maximize the coverage throughout a planning horizon. The problem includes the subproblem of locating ambulances to maximize expected coverage with ...
The traveling salesman problem with pickups, deliveries, and handling costs
(Informs, 2010-08)
This paper introduces a new variant of the one-to-many-to-one single vehicle pickup and delivery problems (SVPDP) that incorporates the handling cost incurred when rearranging the load at the customer locations. The ...
A branch-and-cut algorithm for solving the non-preemptive capacitated swapping problem
(Elsevier, 2010-08-06)
This paper models and solves a capacitated version of the Non-Preemptive Swapping Problem. This problem is defined on a complete digraph , at every vertex of which there may be one unit of supply of an item, one unit of ...
A cost-sharing mechanism for multi-country partnerships in disaster preparedness
(Wiley, 2021-12)
We study a multi-country disaster preparedness partnership involving the joint prepositioning of emergency relief items. Our focus is the Caribbean region, which faces increasing disaster threats due to weather-related ...
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