Sébastien Le Digabel

Member, GERAD

Professor, Department of Mathematics and Industrial Engineering, Polytechnique Montréal

sebastien.le.digabel@gerad.ca

Phone: 514 340-6053 x4291

Fax: 514 340-5665

Office 5467

Education

Sep 2008 – Aug 2010

Postdoctoral research , Développeur du logiciel NOMAD 3

Polytechnique Montréal, Charles Audet, director

Sep 2003 – May 2008

Ph.D. , Extensions à l’algorithme de recherche directe MADS pour l’optimisation non-lisseà l’algorithme de recherche directe MADS pour l’optimisation non-lisse

Polytechnique Montréal, Charles Audet, director

Research Axes

Axis 2: Decision support made in complex systems

Research Applications

Energy, environment and natural resources
Engineering (engineering design, digital design)

Publications

May 2022

Computational study of a branching algorithm for the maximum \(k\)-cut problem

Vilmar Jefté Rodrigues De Sousa, Miguel F. Anjos, and Sébastien Le Digabel

Discrete Optimization, 44(Part 2), Paper no: 100656, 2022 BibTeX reference

Mar 2022

Anomaly detection for data accountability of Mars telemetry data

Dounia Lakhmiri, Ryan Alimo, and Sébastien Le Digabel

Expert Systems with Applications, 168, Paper no: 116060, 2022 BibTeX reference

Mar 2022

Use of static surrogates in hyperparameter optimization

Dounia Lakhmiri and Sébastien Le Digabel

Operations Research Forum, 3(1), Paper no: 11, 2022 BibTeX reference

63 publications

News

Doctoral thesis defence of Solène Kojtych

Jun 27, 2022

June 28, 2022, 9h30

Title: Contributions à l'optimisation de système mécaniques non réguliers : reconception d'aubes de compresseur

Doctoral thesis defence of Ludovic Salomon

May 1, 2022

May 19, 2022, 9h00

Title: Contributions to Multiobjective Blackbox Optimization

Master's Thesis Defence of Edward Hallé-Hannan

Apr 25, 2022

Title: Cadre mathématique pour l'optimisation de boîtes noires avec variables métas et catégorielles

27 news

Events

May 16 — 18, 2022

2022 Optimization Days

Conference

HEC Montréal

Sep 8, 202001:00 PM — 03:00 PM

Black box optimization

GERAD seminar
Sébastien Le Digabel – Professor, Department of Mathematics and Industrial Engineering, Polytechnique Montréal Stéphane Alarie – Researcher, Hydro-Québec’s Research Institute

IVADO - Institute for Data Valorization

Online meeting

Mar 2 — 3, 2020

Edge Intelligence Workshop

workshop

HEC Montréal

11 activities

Cahiers du GERAD

Apr 2022

G-2022-10
Handling of constraints in multiobjective blackbox optimization

Jean Bigeon, Sébastien Le Digabel, and Ludovic Salomon

This work proposes the integration of two new constraint-handling approaches into the blackbox constrained multiobjective optimization algorithm DMulti-MADS,...

BibTeX reference

Apr 2022

G-2022-11
A general mathematical framework for constrained mixed-variable blackbox optimization problems with meta and categorical variables

Charles Audet, Edward Hallé-Hannan, and Sébastien Le Digabel

A mathematical framework for modelling constrained mixed-variable optimization problems is presented in a blackbox optimization context. The framework intr...

BibTeX reference

Nov 2021

G-2021-65
Hierarchically constrained blackbox optimization

Stéphane Alarie, Charles Audet, Paulin Jacquot, and Sébastien Le Digabel

In blackbox optimization, evaluation of the objective and constraint functions is time consuming. In some situations, constraint values may be evaluated in...

BibTeX reference

58 Papers