Γ-opt Research Group
Γ-opt Research Group
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Publications
2
Simulator-based surrogate optimisation employing adaptive uncertainty-aware sampling
Optimisation problems involving computationally expensive, black-box functions derived from high-fidelity engineering simulations …
Yu Liu
,
Fabricio Oliveira
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DOI
Solving decision problems with endogenous uncertainty and conditional information revelation using influence diagrams
Mathematical programming formulations of influence diagrams can bridge the gap between representing and solving decision problems. …
Olli Herrala
,
Tommi Ekholm
,
Fabricio Oliveira
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DOI
A novel strong duality-based reformulation for trilevel infrastructure models in energy systems development
Buildings account for 40 % of global energy consumption. A considerable portion of building energy consumption stems from heating, …
Fredrik Hagström
,
Vikas Garg
,
Fabricio Oliveira
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DOI
Risk-averse decision strategies for influence diagrams using rooted junction trees
This paper presents how a mixed-integer programming (MIP) formulation for influence diagrams that is based on their gradual rooted …
Olli Herrala
,
Topias Terho
,
Fabricio Oliveira
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DOI
Risk-averse decision strategies for influence diagrams using rooted junction trees
This paper presents how a mixed-integer programming (MIP) formulation for influence diagrams that is based on their gradual rooted …
Olli Herrala
,
Topias Terho
,
Fabricio Oliveira
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Project
DOI
Renewable energy expansion under taxes and subsidies: A transmission operator’s perspective
We propose the novel p-branch-and-bound method for solving two-stage stochastic programming problems whose deterministic equivalents …
Nikita Belyak
,
Fabricio Oliveira
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DOI
Data-driven robust optimization for pipeline scheduling under flow rate uncertainty
Frequently, parameters in optimization models are subject to a high level of uncertainty coming from several sources and, as such, …
Amir Baghban
,
Pedro M. Castro
,
Fabricio Oliveira
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Long-lasting Insecticidal Net Campaigns for Malaria Control Considering Prioritization and Equity
Malaria remains a significant public health concern in several developing countries. Tropical weather, coupled with poor environmental …
Fabiola Negreiros de Oliveira
,
Douglas Alem
,
Fabricio Oliveira
,
Adriana Leiras
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A novel strong duality-based reformulation for trilevel infrastructure models in energy systems development
We explore the class of trilevel equilibrium problems with a focus on energy-environmental applications and present a novel …
Olli Herrala
,
Steven A. Gabriel
,
Fabricio Oliveira
,
Tommi Ekholm
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DOI
A novel exact formulation for parallel machine scheduling problems
Machine scheduling is one of the most studied problems due to its technical challenges and prevalence in real life. In the literature, …
Luana Carrilho
,
Fabricio Oliveira
,
Silvio Hamacher
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