Welington de Oliveira

34
Documents
Affiliation actuelle
  • Centre de Mathématiques Appliquées (CMA)

Présentation

Please visite my webpage: www.oliveira.mat.br

Publications

Publications

Derivarive-free approaches for chance-constrained problems with right-hand side uncertainties

Welington de Oliveira
SIAM Journal on Optimization, 2025, 35 (1), ⟨10.1137/23M1622635⟩
Article dans une revue hal-04709455 v1
Image document

Scenario Tree Reduction via Wasserstein Barycenters

Daniel Mimouni , Paul Malisani , Jiamin Zhu , Welington de Oliveira
Annals of Operations Research, In press, ⟨10.48550/arXiv.2411.14477⟩
Article dans une revue hal-04789253 v1
Image document

Computing Wasserstein Barycenters via Operator Splitting: The Method of Averaged Marginals

Daniel Mimouni , Paul Malisani , Jiamin Zhu , Welington de Oliveira
SIAM Journal on Mathematics of Data Science, 2024, 6 (4), pp.1000-1026. ⟨10.1137/23M1584228⟩
Article dans une revue hal-04970079 v1
Image document

Difference-of-Convex approach to chance-constrained Optimal Power Flow modelling the DSO power modulation lever for distribution networks

Ksenia Syrtseva , Welington de Oliveira , Sophie Demassey , Paul Javal , Hugo Morais et al.
Sustainable Energy, Grids and Networks, 2023, 36
Article dans une revue (article de synthèse) hal-04382107 v1

Improving the performance of the stochastic dual dynamic programming algorithm using Chebyshev centers

Felipe Beltrán , Erlon Finardi , Guilherme Fredo , Welington de Oliveira
Optimization and Engineering, 2020, ⟨10.1007/s11081-020-09558-z⟩
Article dans une revue hal-02932230 v1
Image document

Asynchronous level bundle methods

Franck Iutzeler , Jérôme Malick , Welington de Oliveira
Mathematical Programming, 2020, 184, pp.319-348. ⟨10.1007/s10107-019-01414-y⟩
Article dans une revue hal-02182996 v1

Sequential Difference-of-Convex Programming

Welington de Oliveira
Journal of Optimization Theory and Applications, 2020, 186 (3), pp.936-959. ⟨10.1007/s10957-020-01721-x⟩
Article dans une revue hal-02926800 v1

On level regularization with normal solutions in decomposition methods for multistage stochastic programming problems

Wim van Ackooij , Welington de Oliveira , Yongjia Song
Computational Optimization and Applications, 2019, 74, pp.1-42. ⟨10.1007/s10589-019-00104-x⟩
Article dans une revue hal-02118762 v1

Proximal bundle methods for nonsmooth DC programming

Welington de Oliveira
Journal of Global Optimization, 2019, 75 (2), pp.523-563
Article dans une revue hal-02053301 v1

Nonsmooth and Nonconvex Optimization via Approximate Difference-of-Convex Decompositions

Wim van Ackooij , Welington de Oliveira
Journal of Optimization Theory and Applications, 2019, 182, pp.49-80. ⟨10.1007/s10957-019-01500-3⟩
Article dans une revue hal-02073579 v1

Some brief observations in minimizing the sum of locally Lipschitzian functions

Wim van Ackooij , Welington de Oliveira
Optimization Letters, 2019, 14 (3), pp.509-520. ⟨10.1007/s11590-019-01477-y⟩
Article dans une revue hal-02497444 v1

Outer-approximation algorithms for nonsmooth convex MINLP problems

Adriano Delfino , Welington de Oliveira
Optimization, 2018, 67 (6), pp.797-819. ⟨10.1080/02331934.2018.1434173⟩
Article dans une revue hal-01704596 v1

An Inertial Algorithm for DC Programming

Welington de Oliveira , Michel Tcheou
Set-Valued and Variational Analysis, 2018, 27, pp.895-919. ⟨10.1007/s11228-018-0497-0⟩
Article dans une revue hal-01907873 v1

Target radius methods for nonsmooth convex optimization

Welington de Oliveira
Operations Research Letters, 2017, 45 (6), pp.659 - 664. ⟨10.1016/j.orl.2017.10.010⟩
Article dans une revue hal-01630166 v1
Image document

Uncontrolled inexact information within bundle methods

Jérôme Malick , Welington de Oliveira , Sofia Zaourar-Michel
EURO Journal on Computational Optimization, 2017, 5 (1), pp.5-29. ⟨10.1007/s13675-015-0060-9⟩
Article dans une revue hal-01249261 v1

A splitting method for computing Wasserstein Barycenters

Welington de Oliveira , Daniel Mimouni
EUROPT 2024, Lund University, Sweden, Jun 2024, Lund (Sweden), Sweden
Communication dans un congrès hal-04709478 v1

Difference-of-Convex Approach to Chance-Constrained Optimal Power Flow

Ksenia Syrtseva , Welington de Oliveira , Sophie Demassey , Hugo Morais , Paul Javal et al.
ROADEF 2024, Mar 2024, Amiens, France
Communication dans un congrès hal-04867916 v1

Scenario-Based Decomposition for Optimal Power Curtailment with Priority-Level Producers

Ksenia Syrtseva , Welington de Oliveira , Sophie Demassey
PGMODays 2024, Nov 2024, Palaiseau, France
Communication dans un congrès hal-04868037 v1

Computing critical angles between two convex cones

Welington de Oliveira , Valentina Sessa
Online Meetng, MORA-DataS, May 2024, https://sites.google.com/view/mora-datas/inicio/events, Bolivia
Communication dans un congrès hal-04709493 v1

Computing Wasserstein Barycenter via operator splitting: the Method of Averaged Marginals

Daniel Mimouni , Paul Malisani , Jiamin Zhu , Welington de Oliveira
PGMO DAYS 2023, Nov 2023, Paris, France
Communication dans un congrès hal-04300012 v1

An implementable proximal-type method for computing critical points to minimization problems with a nonsmooth and nonconvex constraint

Welington de Oliveira , Gregorio M. Sempere
PGMO DAYS 2023, Nov 2023, Paris, France
Communication dans un congrès hal-04300004 v1

Minimizing the Difference of Convex and Weakly Convex Functions via Bundle Method

Ksenia Syrtseva , Wim van Ackooij , Sophie Demassey , Welington de Oliveira
PGMODays 2022, Nov 2022, Palaiseau, France
Communication dans un congrès hal-03934581 v1

Probability functions in optimization models for energy management under uncertainty

Welington de Oliveira
Brazilian Symposium on Operational Research - SBPO 2002: The role of OR in the Energy Transition, Nov 2022, Juiz de Fora, Brazil
Communication dans un congrès hal-03934556 v1

Progressive decoupling of linkages in a class of optimization problems with non-elicitable convexity

Welington de Oliveira
PGMODays 2022, Nov 2022, Palaiseau, France
Communication dans un congrès hal-03934533 v1

A Bundle Method for Nonsmooth DC Programming

Wim van Ackooij , Sophie Demassey , Paul Javal , Hugo Morais , Welington de Oliveira et al.
SMAI-MODE, Sep 2020, Paris, France
Communication dans un congrès hal-03109343 v1

Modèle DC et méthode de faisceaux pour l'Optimal Power Flow

Wim van Ackooij , Sophie Demassey , Paul Javal , Welington de Oliveira , Bhargav Prasanna Swaminathan
ROADEF 2020, Feb 2020, Montpellier, France
Communication dans un congrès hal-03109328 v1

A stochastic optimization model for frequency control and energy management in a microgrid

Dhekra Bousnina , Welington de Oliveira , Peter Pflaum
LOD 2020 : Home The Conference Past Editions Contacts The Sixth International Conference on Machine Learning, Optimization, and Data Science, Jul 2020, Siena, Italy
Communication dans un congrès hal-03587167 v1

Robust optimisation of storage in a power generation expansion planning problem

Sophie Demassey , Edi Assoumou , Welington de Oliveira
23rd International Symposium on Mathematical Programming (ISMP 2018), Jul 2018, Bordeaux, France
Communication dans un congrès hal-01980666 v1

Robust Storage Optimization in the Expansion Planning of Power Systems

Sophie Demassey , Edi Assoumou , Welington de Oliveira
Annual meeting of the Gaspard Monge Program for Optimization and Operations Research and their interactions with Data Sciences (PGMO days 2018), Nov 2018, Paris Saclay, France
Communication dans un congrès hal-02008098 v1

Modelling distributed energy resources uncertainties in short-term operational planning optimisation

Paul Javal , Welington de Oliveira , Hugo Morais , Wim van Ackooij , Sophie Demassey
23rd International Symposium on Mathematical Programming (ISMP 2018), Jul 2018, Bordeaux, France
Communication dans un congrès hal-02008046 v1

Optimisation de l'usage des stockages de secours des relais télécoms pour les services système

Gilles Guerassimoff , Sophie Demassey , Welington de Oliveira , Cyril Colin , Benjamin Rumeau
1ère Journée Innovation Académiques Industriels, Association Think Smartgrids, Dec 2017, Paris, France
Communication dans un congrès hal-01737102 v1

Bundle Methods for Inexact Data

Welington de Oliveira , Mikhail Solodov
Numerical Nonsmooth Optimization, Springer International Publishing, pp.417-459, 2020, ⟨10.1007/978-3-030-34910-3_12⟩
Chapitre d'ouvrage hal-02497361 v1
Image document

Robust Design of Pumping Stations in Water Distribution Networks

Gratien Bonvin , Sophie Demassey , Welington de Oliveira
Optimization of Complex Systems: Theory, Models, Algorithms and Applications, 991, pp.957-967, 2019, Advances in Intelligent Systems and Computing, ⟨10.1007/978-3-030-21803-4_95⟩
Chapitre d'ouvrage hal-02158548 v1