Dominique Orban

Member, GERAD

Full Professor, Department of Mathematics and Industrial Engineering, Polytechnique Montréal

dominique.orban@gerad.ca

Phone: 514 340-4711 x5967

Fax: 514 340-4463

Office 5453

Other titles and affiliations

Jun 2008 – Jan 2020

Associate Professor, Department of Mathematics and Industrial Engineering, Polytechnique Montréal

Research Axes

Axis 1: Data valuation for decision making
Axis 2: Decision support made in complex systems

Research Applications

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

Publications

Aug 2021

TriCG and TriMR: Two iterative methods for symmetric quasi-definite systems

Alexis Montoison and Dominique Orban

SIAM Journal on Scientific Computing, 43(4), page A2502, 2021 BibTeX reference

May 2021

Linear systems arising in interior methods for convex optimization: a symmetric formulation with bounded condition number

Alexandre Ghannad, Dominique Orban, and Michael A. Saunders

To appear in: Optimization Methods and Software, 2021 BibTeX reference

Apr 2021

Constraint-preconditioned Krylov solvers for regularized saddle-point systems

Daniela di Serafino and Dominique Orban

SIAM Journal on Scientific Computing, 43(2), page A1001, 2021 BibTeX reference

50 publications

News

GERAD Newsletter - Spring edition 2022

May 30, 2022

Summary

The last issue of the Newsletter is now available. Enjoy!

Impact papers - Skilled workforce scheduling and routing
Collaborations ... - Stall economy: The value of mobility in retail on wheels
Actions and interactions - A new team of trainees for the NSERC Alliance–Huawei Canada project
Postdoctoral fellows - Saad Akhtar, Aldair Alvarez, Banafsheh Asadi, Vania Karami, Gislaine Mara Melega, Milka Nyariro, Ramesh Ramasamy Pandi, Lingqing Yao
Who are they? - Loubna Benabbou, Hanane Dagdougui, Franklin Djeumou Fomeni, Mary Kang
Goodbye Jean-Louis-Goffin
GERAD news brief

GERAD awards five scholarships for foreign undergraduate interns for 2022-2023

Mar 7, 2022

GERAD is pleased to award five scholarships (of $3,500 each) for foreign undergraduate interns who will come to work in our offices this summer.

GERAD Newsletter - Fall edition 2021

Jan 1, 2022

Summary

The last issue of the Newsletter is now available. Enjoy!

Spotlights on ... - A first place for GERAD students at the PlankThon Challenge
Impact papers - Viability of agroecological systems
Who are they? - Amina Lamghari, Samira A. Rahimi, Fatiha Sadat
**Where are they now ? - Mehdi Abedinpour Fallah, Sandrine Paroz, Ghislene Zerguini
Postdoctoral fellows - Khalil Al Handawi, Yaroslav Salii, Alfredo Torrico, Lingxiao Wu
GERAD news brief

22 news

Events

Nov 10, 202111:00 AM — 12:00 PM

Deep network pruning: a stochastic proximal method for non smooth regularized optimization

“Meet a GERAD researcher!” seminar
Dounia Lakhmiri – Polytechnique Montréal

Online meeting

Jan 15, 202111:00 AM — 12:00 PM

Global optimization with interval methods in Julia

GERAD seminar
David P. Sanders – Faculty of Sciences, Universidad Nacional Autónoma de México

Online meeting

Jun 12, 201902:00 PM — 03:00 PM

Some damped-Broyden methods for unconstrained optimization

GERAD seminar
Mehiddin Al-Baali – Professor, Department of Mathematics and Statistics, Sultan Qaboos University

Room 4488, André-Aisenstadt Building, Université de Montréal Campus

10 activities

Cahiers du GERAD

Apr 2022

G-2022-12
Computing a sparse projection into a box

Dominique Orban

We describe a procedure to compute a projection of $w \in ℝ^n$ into the intersection of the so-called zero-norm ball $k B_0$ of radius $k$, i....

BibTeX reference

Dec 2021

G-2021-67
DCISolver.jl: A Julia solver for nonlinear optimization using dynamic control of infeasibility

Tangi Migot, Dominique Orban, and Abel Soares Siquiera

This paper presents DCISolver.jl a new Julia package implementating the Dynamic Control of Infeasibility method (DCI), introduced by Bielschowsky & Gomes (20...

BibTeX reference

Nov 2021

G-2021-62
GPMR: An iterative method for unsymmetric partitioned linear systems

Alexis Montoison and Dominique Orban

We introduce an iterative method named GPMR for solving 2X2 block unsymmetric linear systems. GPMR is based on a new process that reduces simultaneously...

BibTeX reference

64 Papers