منابع مشابه
Contribution théorique et numérique à la résolution du problème du Voyageur de Commerce. (Theoretical and numerical contribution for solving traveling salesman problem)
This dissertation is divided into two part, a theoretical one deals with the trave-ling salesman polytope, the convex hull of hamiltonian cycles, and a more numericalone in which we try to improve the “Branch and Cut” method for traveling salesmanproblem.The theoretical contribution consists in proving that the class of domino in-equalities is facet inducing for the trav...
متن کاملParallélisation de la méthode du "Branch and Cut" pour résoudre le problème du voyageur de commerce. (Parallel Branch and Cut for the Traveling Salesman Problem)
The Branch and Cut method has been very successful in solving large SymmetricTraveling Salesman instances to optimality. The time needed to solve these instances isvery high, therefore one may want to consider the possibility of using parallel machinesto perform the computations.In the first part of this thesis, we present different components of Branch and Cut. Wegive a pol...
متن کاملSémantique du parallélisme et du choix du langage electre
The Electre language has been developed as a resuit of the expérience of the automatic control department in the implementation of the real time control applications. These applications consist of many tasks that are conditionally executed and interrupted according to some events 'occurences. We propose a language semantic and in particular that of its fundamental operators: parallelism of task...
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The Pan African Medical Journal. 2017;26:65. doi:10.11604/pamj.2017.26.65.8463 This article is available online at: http://www.panafrican-med-journal.com/content/article/26/65/full/ © Saoussane Kharmoum et al. The Pan African Medical Journal ISSN 1937-8688. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses...
متن کاملVolvulus du sigmoide necrosé du postpartum
Le volvulus du sigmoïde compliquant la grossesse est une complication rare avec moins de 80 cas rapportés dans la littérature. Nous rapportons un cas de volvulus du sigmoïde compliquant les suites de couches. Une primigeste de 29-ans s'est présenté avec une douleur abdominale à J3 du post-partum. Une laparotomie exploratrice a révélé un volvulus, nécrosé, du côlon sigmoïde très distendu. Dans n...
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ژورنال
عنوان ژورنال: Forum Médical Suisse ‒ Swiss Medical Forum
سال: 2021
ISSN: 1661-6146
DOI: 10.4414/fms.2021.08648