Optimization and algorithms
Combinatorial optimization, mathematical programming, randomized algorithms, and experimental algorithmics.
Research Homepage
Research scientist working on networks and graphs, optimization, heuristics and metaheuristics, routing, location, scheduling, and operations research applications in telecommunications, logistics, and transportation.
A career spanning academic research and industrial optimization at AT&T Bell Laboratories, AT&T Labs Research, and Amazon, with current visiting and senior-professor activities in Brazil and Europe.
Combinatorial optimization, mathematical programming, randomized algorithms, and experimental algorithmics.
GRASP, path relinking, biased random-key genetic algorithms, random-key optimizers, and hybrid methods.
Routing, location, scheduling, telecommunications network design, logistics, and transportation.
INFORMS Fellow, SOBRAPO Fellow, IFORS Invited Tutorial Lecturer, and Doctor Honoris Causa.
Greedy randomized adaptive search procedures, path relinking, surveys, and applications.
Biased random-key genetic algorithms and hybrid methods for difficult optimization problems.
Routing, facility location, telecom design, and graph-structured optimization models.
Tools and examples for time-to-target plots and randomized algorithm comparison.
A small front-page selection points visitors into the complete publication archive without making the homepage feel like a long bibliography.
A.A. Juan, A. Guerrero, M. Escoto, J. Panadero, A. Garcia-Sanchez, and M.G.C. Resende. Information.
A.A. Chaves, M.J.A. Schuetz, J.K. Brubaker, H.G. Katzgraber, E.F. de Arruda, and R.M.A. Silva. Journal of Heuristics.
M. Laguna, R. Marti, A. Martinez-Gavara, S. Perez-Pelo, and M.G.C. Resende. European Journal of Operational Research.
The main research materials are now direct destinations instead of being hidden inside a multilevel menu.
A searchable archive of 380 conference and university presentations, updated from the July 2026 CV.
Open talks archiveThe document folder contains populated PDFs plus placeholders for the broader paper archive.
Open sample paperThe current populated data asset is a handover-minimization dataset archive.
Download datasetEight authored and edited volumes spanning heuristics, applied optimization, telecommunications, massive data, and parallel processing.

Second edition. Co-edited with R. Martà and P. M. Pardalos. Springer Nature, 2025.
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First edition. Co-edited with R. Martà and P. M. Pardalos. Springer Nature, 2018.
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Greedy Randomized Adaptive Search Procedures. With C. C. Ribeiro. Springer, 2016.
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Co-edited with P. M. Pardalos. Springer, 2006.
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Co-edited with J. P. de Sousa with assistance from Ana Viana. Kluwer Academic Publishers, 2003.
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Co-edited with J. Abello and P. M. Pardalos. Kluwer Academic Publishers, 2002.
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Co-edited with P. M. Pardalos. Oxford University Press, 2002. AAP honorable mention.
Bibliographic details
Co-edited with P. M. Pardalos and K. G. Ramakrishnan. DIMACS/AMS, 1995.
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