Welington de Oliveira

Présentation

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

Publications

Article dans une revue (17)

A Proximal-Type Method for Nonsmooth and Nonconvex Constrained Minimization Problems Gregorio Sempere,Welington de Oliveira,Johannes Royset Journal of Optimization Theory and Applications, 2025, 204 (3), pp.54. ⟨10.1007/s10957-024-02597-x⟩ Article dans une revue hal-05360941v1
On the Computation of Constrained Wasserstein Barycenters Daniel Mimouni,Welington de Oliveira,Gregorio M. Sempere Pacific journal of optimization, 2025, 21 (4), pp.787-806. ⟨10.61208/pjo-2025-040⟩ Article dans une revue hal-05360920v1
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-04709455v1
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-04789253v1
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-04970079v1
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 Moraiset al. Sustainable Energy, Grids and Networks, 2023, 36 Article dans une revue (article de synthèse) hal-04382107v1
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-02932230v1
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-02182996v1
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-02926800v1
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-02053301v1
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-02073579v1
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-02497444v1
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-02118762v1
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-01907873v1
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-01704596v1
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-01630166v1
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-01249261v1

Communication dans un congrès (19)

Boosting Reduction Tree via Wasserstein Barycenters Daniel Mimouni,Paul Malisani,Jiamin Zhu,Welington de Oliveira XVIIth International Conference on Stochastic Programming, Mathematical Optimization Society, Jul 2025, Champs-sur-Marne, France Communication dans un congrès hal-05217005v1
A Comparative Study of Optimization Approaches for Battery EMS in Commercial Buildings Daniel Mimouni,Paul Malisani,Jiamin Zhu,Welington de Oliveira International Conference on Continuous OPTimization VIII, Mathematical Optimization Society, Jul 2025, Los Angeles, United States Communication dans un congrès hal-05216998v1
Computing Wasserstein Barycenter via Operator Splitting: the Method of Averaged Marginals Daniel Mimouni,Paul Malisani,Jiamin Zhu,Welington de Oliveira 25th International Symposium on Mathematical Programming, Mathematical Optimization Society, Jul 2024, Montréal, Canada. pp.1000-1026, ⟨10.1137/23M1584228⟩ Communication dans un congrès hal-05216993v1
Difference-of-Convex Approach to Chance-Constrained Optimal Power Flow Ksenia Syrtseva,Welington de Oliveira,Sophie Demassey,Hugo Morais,Paul Javalet al. ROADEF 2024, Mar 2024, Amiens, France Communication dans un congrès hal-04867916v1
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-04868037v1
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-04709493v1
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-04709478v1
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-04300012v1
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-04300004v1
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-03934581v1
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-03934556v1
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-03934533v1
A Bundle Method for Nonsmooth DC Programming Wim van Ackooij,Sophie Demassey,Paul Javal,Hugo Morais,Welington de Oliveiraet al. SMAI-MODE, Sep 2020, Paris, France Communication dans un congrès hal-03109343v1
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-03109328v1
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-03587167v1
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-01980666v1
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-02008098v1
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-02008046v1
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-01737102v1

Poster de conférence (1)

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, Dec 2017, Paris, France Poster de conférence hal-01737113v1

Chapitre d'ouvrage (2)

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-02497361v1
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-02158548v1

Pré-publication, Document de travail (1)

A Comparative Study of Multi-Stage Stochastic Optimization Approaches for an Energy Management System Daniel Mimouni,Jiamin Zhu,Welington de Oliveira,Paul Malisani 2025 Pré-publication, Document de travail hal-05216974v1