Γ-opt Research Group
Γ-opt Research Group
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Publications
Modelling decision-making and uncertainty
Sustainable sugarcane-to-bioethanol supply chain network design: A robust possibilistic programming model
Issues such as high fossil-fuel price fluctuations, considerable air pollution, and the realization that fossil sources are not …
Hani Gilani
,
Hadi Sahebi
,
Fabricio Oliveira
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DOI
A practical assessment of risk-averse approaches in production lot-sizing problems
This paper presents an empirical assessment of four state-of-the-art risk-averse approaches to deal with the capacitated lot-sizing …
Douglas Alem
,
Fabricio Oliveira
,
Miguel Carrión Ruiz Peinado
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DOI
Utility-scale energy storage in an imperfectly competitive power sector
Interest in sustainability has increased the share of variable renewable energy sources (VRES) in power generation. Energy storage …
Vilma Virasjoki
,
Afzal S. Siddiqui
,
Fabricio Oliveira
,
Ahti Salo
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DOI
Robust optimization of the insecticide-treated bed nets procurement and distribution planning under uncertainty for malaria prevention and control
Vector control, particularly distribution of insecticide-treated bed nets (ITNs), constitutes one of the major pathways to prevent and …
Roberto Gomes de Mattos
,
Fabricio Oliveira
,
Adriana Leiras
,
Abdon Baptista de Paula Filho
,
Paulo Gonçalves
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DOI
A robust optimization model for the maritime inventory routing problem
Uncertainty is a highly important aspect of maritime transportation. Unforeseen occurrences related to environmental conditions, poor …
Gustavo Souto dos Santos Diz
,
Silvio Hamacher
,
Fabricio Oliveira
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DOI
Proactive transshipment in the blood supply chain: A stochastic programming approach
The main objective when managing inventories in blood supply chains is to establish an efficient balance between the wastage and …
Maryam Dehghani
,
Babak Abbasi
,
Fabricio Oliveira
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DOI
Two-stage stochastic programming approach for the medical drug inventory routing problem under uncertainty
Medical drug shortages are an important issue in health care, since they can significantly affect patients’ health. Thus, …
Erfaneh Nikzad
,
Mahdi Bashiri
,
Fabricio Oliveira
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DOI
Optimizing Workover Rig Fleet Sizing and Scheduling Using Deterministic and Stochastic Programming Models
We present deterministic and stochastic programming models for the workover rig problem, one of the most challenging problems in the …
Miguel Fernández Pérez
,
Fabricio Oliveira
,
Silvio Hamacher
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DOI
Disaster relief supply pre-positioning optimization: A risk analysis via shortage mitigation
Problems related to disaster management are strongly influenced by random outcomes, which indicates the importance of using a …
Lucas Condeixa
,
Adriana Leiras
,
Fabricio Oliveira
,
Irineu de Brito
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DOI
Periodic review system for inventory replenishment control for a two-echelon logistics network under demand uncertainty: a two-stage stochastic programming approach
We propose a novel methodology for replenishment and control systems for inventories of two-echelon logistics networks using a …
Paulo Cunha
,
Fabricio Oliveira
,
Fernanda Raupp
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DOI
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