Γ-opt Research Group
Γ-opt Research Group
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Publications
Modelling decision-making and uncertainty
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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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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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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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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Predicer: abstract stochastic optimisation model framework for multi-market operation
An open-source modelling framework Predicer, standing for Predictive Decider, for multi-market day-ahead market operation purposes is …
Esa Pursiheimo
,
Dennis Sundell
,
Juha Kiviluoma
,
Helmi Hankimaa
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A decomposition strategy for decision problems with endogenous uncertainty using mixed-integer programming
Despite methodological advances for modeling decision problems under uncertainty, faithfully representing endogenous uncertainty still …
Olli Herrala
,
Tommi Ekholm
,
Fabricio Oliveira
Project
DOI
Supporting platelet inventory management decisions: What is the effect of extending platelets’ shelf life?
Managing blood product inventories can be challenging due to stochastic supply and demand, varying shelf lives of the products, and the …
Mary Dillon
,
Ilmari Vauhkonen
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Mikko Arvas
,
Jarkko Ihalainen
,
Eeva Vilkkumaa
,
Fabricio Oliveira
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Renewable energy expansion under taxes and subsidies: A transmission operator’s perspective
In light of increasing pressure to curb greenhouse gas emissions, many countries have focused on the development of strategies that …
g_nikita-belyak
,
Steven A. Gabriel
,
Nikolay Khabarov
,
Fabricio Oliveira
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Achieving Emission-Reduction Goals: Multi-Period Power-System Expansion under Short-Term Operational Uncertainty
Stochastic adaptive robust optimization is capable of handling short-term uncertainties in demand and variable renewable-energy sources …
Tuomas Rintamäki
,
Fabricio Oliveira
,
Afzal S. Siddiqui
,
Ahti Salo
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