Γ-opt Research Group
Γ-opt Research Group
People
Publications
2
ICNN-enhanced 2SP: Leveraging input convex neural networks for solving two-stage stochastic programming
Two-stage stochastic programming (2SP) offers a basic framework for modelling decision-making under uncertainty, yet scalability …
Yu Liu
,
Fabricio Oliveira
,
Jan Kronqvist
PDF
Cite
DOI
A Robust Optimization Approach to Flow Decomposition
In this paper, we generalize the minimum flow decomposition problem (MFD) to incorporate uncertain edge capacities and tackle it from …
Moritz Stinzendörfer
,
Philine Schiewe
,
Fabricio Oliveira
PDF
Cite
DOI
Decision tree enhancer (DTE): Improving decision trees with optimization
Decision trees are off-the-shelf machine learning models widely used for classification and regression tasks in medical, logistics, …
Flávio Araújo Lim-Apo
,
Fabricio Oliveira
,
Silvio Hamacher
PDF
Cite
DOI
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
PDF
Cite
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
PDF
Cite
Project
DOI
Employing federated learning for training autonomous HVAC systems
Buildings account for 40 % of global energy consumption. A considerable portion of building energy consumption stems from heating, …
Fredrik Hagström
,
Vikas Garg
,
Fabricio Oliveira
PDF
Cite
Project
DOI
Streamlining emergency response: A K-adaptable model and a column-and-constraint-generation algorithm
Emergency response refers to the systematic response to an unexpected, disruptive occurrence such as a natural disaster. The response …
Paula Weller
,
Fabricio Oliveira
PDF
Cite
DOI
Integrated Operational Planning of Battery Storage Systems for Improved Efficiency in Residential Community Energy Management Using Multistage Stochastic Dual Dynamic Programming: A Finnish Case Study
This study introduces a novel approach for optimizing residential energy systems by combining linear policy graphs with stochastic dual …
Pattanun Chanpiwat
,
Fabricio Oliveira
,
Steven A. Gabriel
PDF
Cite
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
PDF
Cite
Project
DOI
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
PDF
Cite
Project
DOI
»
Cite
×