Alex Paranahyba
de Abreu

Optimisation • Production • Logistics

Alex Abreu is an Assistant Professor of Operational Research at the Faculty of Sciences and Technology (FCT) of the Federal University of Goiás (UFG). He holds a Master's degree in Production Engineering from the Federal University of São Carlos (UFSCar) and is currently pursuing a PhD from the same institution. He completed a sandwich master's degree at the School of Management at the University of Bath (UK). He holds a bachelor's degree in Production Engineering from UFG. Alex has experience in Operational Research with focus on vehicle routing, production planning and scheduling, optimization under uncertainty and exact methods.

Email
alexabreu@ufg.br
Profiles
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2026 - Present

Assistant Professor of Operational Research

Universidade Federal de Goiás, Faculdade de Ciências e Tecnologia

2023 - 2024

Visiting Researcher

University of Bath, School of Management

2025 - Present

Doctor's degree • Production Engineering

Universidade Federal de São Carlos, São Carlos-SP, Brazil.

Advisor: Prof. Dr. Reinaldo Morabito. • Co-advisor: Prof. Dr. Pedro Munari.

2022 - 2025

Master's degree • Production Engineering

Universidade Federal de São Carlos, São Carlos-SP, Brazil.

Thesis: The robust pickup and delivery problem with time windows
Advisor: Prof. Dr. Pedro Munari. • Co-advisor: Prof. Dr. Luciano Costa (UFPB)

2017 - 2022

Bachelor's degree • Production Engineering

Universidade Federal de Goiás, Aparecida de Goiânia-GO, Brazil.

Final project:
Advisor: Prof. Dr. Hélio Yochihiro Fuchigami.

Routing problems

Scheduling problems

Lot-sizing problems

Optimization under uncertainty

2026

The robust pickup and delivery problem with time windows doi

Abreu, A., Battarra, M., Costa, L. & Munari, P.

European Journal of Operational Research

2026

Optimising manufacturing schedules with tailored metrics to reduce unproductive times doi

Abreu, A. & Fuchigami, H.

Production

2025

Performance investigation of metaheuristics for the just-in-time single-machine under different time windows and setup restrictions doi

de Freitas M. G., Abreu, A., Branco, F. J. C., Fuchigami, H. Y. & de Mello, R. T.

International Journal of Industrial Engineering Computations

2024

Innovative optimization algorithms for large-sized industrial scheduling problems doi

Fuchigami, H. Y. & Abreu, A. P.

Brazilian Archives of Biology and Technology

2022

An efficiency and robustness analysis of warm-start mathematical models for idle and waiting times optimization in the flow shop doi

Abreu, A. P., & Fuchigami, H. Y.

Computers & Industrial Engineering