David Wolfinger
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View article: Solving the stochastic dynamic contagious disease testing problem
Solving the stochastic dynamic contagious disease testing problem Open
Purpose In early 2020, the coronavirus disease 2019 (COVID-19) pandemic reached global proportions within only a few weeks. A key strategy to contain and control pandemics is to isolate infected people, which requires making test results a…
View article: A Large Neighborhood Search for the Pickup and Delivery Problem with Time Windows, Split Loads and Transshipments
A Large Neighborhood Search for the Pickup and Delivery Problem with Time Windows, Split Loads and Transshipments Open
In the pickup and delivery problem (PDP) a fleet of capacitated vehicles must be routed in order to satisfy a set of customer requests. In this article, we address a variant of the one-to-one PDP where each customer location can be visited…
View article: The Pickup and Delivery Problem with Split Loads and Transshipments: A Branch-and-Cut Solution Approach
The Pickup and Delivery Problem with Split Loads and Transshipments: A Branch-and-Cut Solution Approach Open
This paper addresses the design of routes for a fleet of vehicles serving customer requests. It is a pickup and delivery problem where each customer location can be visited several times, and load may be transshipped from one vehicle to an…
View article: A matheuristic for a multimodal long haul routing problem
A matheuristic for a multimodal long haul routing problem Open
We address a planning problem faced by logistics service providers who transport freight over long distances. Given a set of transportation requests, where the origin and the destination of each request are located far apart from each othe…