Keynote, invited, and contributed talks, in reverse chronological order.
2026
On circumcentered direct methods for monotone variational inequality problems
Taipei, Taiwan · Jul 27–29, 2026
International Conference on Optimization and Machine Learning (ICOML 2026), National Taiwan Normal University (NTNU) (keynote talk)
Circumcenters tools for the Convex Feasibility Problem: theory and applications in accelerating projection-based algorithms
Kyoto, Japan · Jul 22, 2026
System Optimization Laboratory Seminar, Graduate School of Informatics, Kyoto University (invited seminar talk)
Constructing Magic Squares: An Integer Constraint Satisfaction Problem and a Fast Approach
Tokyo, Japan · Jul 13–17, 2026
Eighth Conference on Discrete Optimization and Machine Learning (DOML 2026), Institute of Science Tokyo (keynote talk)
Circumcenters tools for the Convex Feasibility Problem: theory and applications in accelerating projection-based algorithms
Southampton, UK · Jun 8, 2026
CORMSIS Seminar, School of Mathematical Sciences, University of Southampton (invited seminar talk)
Randomized Nystr\öm Preconditioned Interior Point-Proximal Method of Multipliers
Edinburgh, UK · Jun 3–5, 2026
SIAM Conference on Optimization (OP26), Session MS127 -- Iterative Linear Algebra Techniques in Optimization (contributed talk)
Randomized Nystr\öm Preconditioned Interior Point-Proximal Method of Multipliers
Edinburgh, UK · May 27–29, 2026
Preconditioning Techniques for Scientific and Industrial Applications, ICMS, Bayes Centre (invited talk)
On circumcentered direct methods for monotone variational inequality problems
Arica, Chile · May 11–15, 2026
International Conference on Optimization and Machine Learning: Theory and Applications (ICOMaLTA-2026), Universidad de Tarapacá (semi-plenary talk)
Randomized Nystr\öm Preconditioned Interior Point-Proximal Method of Multipliers
Florianópolis, SC, Brazil · Mar 2–4, 2026
III Encontro Regional de Matemática Aplicada e Computacional de Santa Catarina (ERMAC-SC 2026), UFSC (contributed talk)
2025
Basis pursuit por projeções alternadas inconsistentes
Goiânia, GO, Brazil · Oct 6–10, 2025
XXXI Semana do IME e VIII Seminário de Pesquisa e Pós-Graduação do IME/UFG, UFG (plenary talk, in Portuguese)
Fejér monotonicity in optimization algorithms
Miami, FL, USA · Jul 21–25, 2025
Mathematical Congress of the Americas (MCA) 2025, Special Session 58 -- Recent Advances in Convex and Riemannian Optimization, University of Miami (invited talk)
Circumcenters tools for the Convex Feasibility Problem: theory and applications in accelerating projection-based algorithms
Porto Alegre, RS, Brazil · Jul 2–4, 2025
XII Encontro de Matemática Aplicada e Computacional do Rio Grande do Sul (ERMAC-RS 2025), IME/UFRGS (plenary talk)
Randomizing Block-wise Circumcenter-Based Methods for Solving Linear Systems
Rio de Janeiro, RJ, Brazil · May 6, 2025
First Cariopt: Carioca Workshop on Optimization and Applications, FGV (invited talk)
Circumcenters Tools for the Convex Feasibility Problem: Theory and Applications
Hanoi, Vietnam · Mar 10–15, 2025
Spring School and Workshop on Variational Analysis and Optimization 2025, Vietnam Institute for Advanced Study in Mathematics (VIASM) (invited talk)
Circumcenters tools for the Convex Feasibility Problem: theory and applications in accelerating projection-based algorithms
Maringá, PR, Brazil · Jan 13 – Feb 28, 2025
25º Programa de Verão em Matemática, UEM (plenary talk)
2024
Solving large-scale basis pursuit by infeasible alternating projections
Montréal, Canada · Jul 22–26, 2024
25th International Symposium on Mathematical Programming (ISMP 2024), Session MB92 -- Nonsmooth Optimization (contributed talk)
Basis pursuit by infeasible alternating projections
Rio de Janeiro, RJ, Brazil · Mar 8–12, 2024
XIV Brazilian Workshop on Continuous Optimization (BRAZOPT), FGV (contributed talk)
Randomized preconditioners for linear systems arising from interior point methods
Maringá, PR, Brazil · Feb 26–28, 2024
IV Summer School PMA-UEM, UEM (keynote talk)
Tutorial de Julia para Otimização e Pesquisa Operacional
São José dos Campos, SP, Brazil · Feb 1–2, 2024
Programa de Verão de Pesquisa Operacional e Matemática Aplicada, UNIFESP-ICT (short course, in Portuguese)
2023
Workshop em Otimização e Problemas Inversos (WSOPI), UFSC (invited talk, in Portuguese)
Florianópolis, SC, Brazil · Oct 24–27, 2023
Accelerating the Spherical Triangle Algorithm for the Convex-Hull Membership Problem
Infeasibility and error bound imply finite convergence of alternating projections
João Pessoa, PB, Brazil · Oct 5–7, 2022
IV Congresso Brasileiro de Jovens Pesquisadores em Matemática Pura, Aplicada e Estatística, UFPB (invited talk)
On the centralization of the circumcentered-reflection method
Maringá, PR, Brazil · Aug 1–5, 2022
V Colóquio de Matemática da Região Sul, UEM (invited talk)
2019
Towards an efficient Augmented Lagrangian method for convex quadratic programming
Rio de Janeiro, RJ, Brazil · Sep 23–27, 2019
XIII Brazilian Workshop on Continuous Optimization (BRAZOPT), IMPA (poster presentation)
2018
An Interior Point Method with No Centrality Parameter
Curitiba, PR, Brazil · Dec 12–14, 2018
III Congresso Brasileiro de Jovens Pesquisadores em Matemática Pura, Aplicada e Estatística, UFPR (invited talk)
Circumcentering the Douglas-Rachford Method
Foz do Iguaçu, PR, Brazil · Jul 22–27, 2018
XII Brazilian Workshop on Continuous Optimization (BRAZOPT) (contributed talk)
2017
Semana de Licenciaturas -- Mesa Redonda, Instituto Federal Catarinense, Campus Camboriú (round table, in Portuguese)
Camboriú, SC, Brazil · Oct 3, 2017
Circumcentering reflexions methods
São José dos Campos, SP, Brazil · Feb 13–15, 2017
Workshop de Otimização, Programa de Verão em Matemática Aplicada 2017, UNIFESP-ICT (contributed talk)
Circumcentering the Douglas-Rachford method
Rio de Janeiro, RJ, Brazil · 2017
31º Colóquio Brasileiro de Matemática, IMPA (contributed talk, in Portuguese)
2016
$\exp(x)$: Uma Função para a Todas Dominar
União da Vitória, PR, Brazil · Aug 26, 2016
XII Semana da Matemática (Palestra de Encerramento), UNESPAR, Campus União da Vitória (closing keynote, in Portuguese)
2015
An Infeasible interior point method with optimized choice of parameters
Florianópolis, SC, Brazil · 2015
I Encontro de Matemática Aplicada da UFSC (contributed talk)
Convergence Analysis of an Infeasible Interior-Point Method with Optimized Choice of Parameters
Pittsburgh, PA, USA · 2015
22nd International Symposium on Mathematical Programming, Wyndham Grand Hotel (contributed talk)
$\exp(x)$: uma função para a todas governar
Camboriú, SC, Brazil · 2015
II Jornada Acadêmica de Matemática, Instituto Federal Catarinense, Campus Camboriú (contributed talk, in Portuguese)
Some challenges on Interior Point Methods
Curitiba, PR, Brazil · 2015
VII Simpósio de Análise Numérica e Otimização, UFPR (contributed talk)
2014
Perprof-py -- A Python Package for Performance Profile
Florianópolis, SC, Brazil · 2014
X Brazilian Workshop on Continuous Optimization, IMPA (contributed talk)
2013
Escolha adiada de parâmetros em Métodos de Pontos Interiores usando funções polinomiais
São José dos Campos, SP, Brazil · 2013
1º Encontro de Otimização da UNIFESP, ICT/UNIFESP (contributed talk, in Portuguese)
2012
A polynomial optimization subproblem in interior-point methods
Berlin, Germany · 2012
ISMP 2012 -- 21st International Symposium on Mathematical Programming, Technische Universit\ät Berlin (contributed talk)
Solving a polynomial optimization subproblem in interior-point methods for linear programming
Bento Gonçalves, RS, Brazil · 2012
XVI ELAVIO -- Escuela Latinoamericana de Verano en Investigación Operativa, Hotel Vila Michellon (contributed talk)
2011
On polynomial merit function for Interior Point Methods
Melbourne, Australia · 2011
IFORS 2011 -- 19th Triennial Conference of the International Federation of Operational Research Societies, Melbourne Convention Centre (contributed talk)
2010
A Computational Experiment with Modified KKT Conditions for Bounded Linear Programs (LP) using Interior Point Methods
Buenos Aires, Argentina · 2010
ALIO-INFORMS Joint International Meeting, Facultad de Derecho de la Universidad de Buenos Aires (contributed talk)
2007
Mesa Redonda: Matemática em Pesquisa
Blumenau, SC, Brazil · 2007
XXII Semana da Matemática da FURB (round table, in Portuguese)
Workshop: Tecnologias na Educação à Distância
Blumenau, SC, Brazil · 2007
Interação FURB (short course, in Portuguese)
2006
Controle fuzzy de pragas -- Uma aplicação ao pulgão da laranja
Sorocaba, SP, Brazil · 2006
Simpósio de Aplicações com Lógica Fuzzy, Unesp/Sorocaba (contributed talk, in Portuguese)
Controle fuzzy e controle ótimo: uma comparação através de modelos biológicos
Campinas, SP, Brazil · 2006
XXIX CNMAC -- Congresso Nacional de Matemática Aplicada e Computacional, IMECC/Unicamp (contributed talk, in Portuguese)
2003
Log-polar e reconhecimento de faces
Blumenau, SC, Brazil · 2003
XVII Semana da Matemática da FURB (contributed talk, in Portuguese)
2002
Apresentando o curso de Bacharelado em Matemática
Blumenau, SC, Brazil · 2002
VIII Fórum de Informação de Cursos (contributed talk, in Portuguese)