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André Langevin

Researcher at École Polytechnique de Montréal

Publications -  143
Citations -  4309

André Langevin is an academic researcher from École Polytechnique de Montréal. The author has contributed to research in topics: Arc routing & Routing (electronic design automation). The author has an hindex of 37, co-authored 141 publications receiving 3901 citations. Previous affiliations of André Langevin include École Normale Supérieure & École Polytechnique.

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Classification of travelling salesman problem formulations

TL;DR: Several single-commodity, two-and multichannel flow formulations have been introduced for the traveling salesman problem as discussed by the authors, and some results are probably known by researchers in the area.
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Inter-firm collaborations and supply chain coordination: review of key elements and case study

TL;DR: In this paper, the authors present a case study of collaboration in the forest industry that shows the benefits of implementing coordination mechanisms as well as the necessity of using incentives to better share these benefits.
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Vehicle Routing for Urban Snow Plowing Operations

TL;DR: In this paper, the authors present a model and two heuristic solution approaches based on mathematical optimization for the routing of vehicles for snow plowing operations in urban areas, given a district and a single depot where a number of plows are based, the problem is to determine a set of routes, each performed by a single vehicle that starts and ends at the district's depot, such that all road segments are serviced while satisfying operational constraints and minimizing a time objective.
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Dispatching, routing, and scheduling of two automated guided vehicles in a flexible manufacturing system

TL;DR: In this paper, a new approach for planning the dispatching, conflict-free routing, and scheduling of automated guided vehicles in a flexible manufacturing system is presented, which is based on dynamic programming and is solved on a rolling time horizon.

Vehicle Routing for Urban Snow Plowing Operations

TL;DR: A model and two heuristic solution approaches based on mathematical optimization for the routing of vehicles for snow plowing operations in urban areas using a multicommodity network flow structure to impose the connectivity of the route performed by each vehicle are presented.