Welington de Oliveira

40
Documents
Affiliation actuelle
  • Centre de Mathématiques Appliquées (CMA)

Présentation

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

Publications

Publications

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
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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
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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
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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-04382107v1
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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

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

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
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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
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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
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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

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

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-04867916v1
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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

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 Oliveira et 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

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
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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