{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/7466"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/7466","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Otimização na reconfiguração de cadeias de suprimentos de quatro níveis: o caso da soja no Brasil","abstract":"In this thesis a new method of decomposing a four-level supply chain is developed to optimize reconfiguration in soybean grain export chains in Brazil. The decomposition method solves a large and complex problem in infrastructure and operational logistics in a four-level supply chain with two decision makers. The decomposition method is based in three subproblems, two being bi-level mathematical programing models and the other is mono-level mathematical programing model. 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