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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2017.tde-23082017-162908
Document
Author
Full name
Celia Regina do Carmo Moraes
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1997
Supervisor
Committee
Arenales, Marcos Nereu (President)
Costa, Geraldo Roberto Martins da
Rangel, Maria do Socorro Nogueira
Title in Portuguese
Métodos de Decomposição para Problemas de Multifluxo em Redes.
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Este trabalho apresenta um estudo sobre problemas de multifluxo em redes, juntamente com três abordagens de solução: o Particionamento Primal, a Decomposição Recurso-Diretor e a Decomposição Dantzig-Wolfe. O produto num problema de multifluxo pode ser definido de três maneiras. Cada uma dessas definições para produto produz uma formulação distinta para o problema de multifluxo: o Problema Produto Específico (PPE), o Problema do Destino Específico (PDE) e o Problema Origem e Destino Específico (POD). Neste trabalho foi feita uma investigação do impacto das três formulações sobre a decomposição de Dantzig-Wolfe.
Title in English
Decomposition methods for network multiflows problems
Keywords in English
Not available
Abstract in English
This work presents a study on multicommodity network flows problem and three solution approaches: Primal Partitioning, Resourse-directive Decomposition, Dantzig-Wolfe decomposition. A commodity in a network flow problem can be formulated by three ways leading to three different mathematical models: product specific problem (PSP), destination specific problem (DSP) and origin-destination problem (ODP). We also prese,nt an investigation of impact of problem formulation on Dantzig-Wolfe decomposition.
 
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Publishing Date
2017-08-23
 
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