Scientific communication

Selected Talks

A selection of invited lectures, seminars and conference presentations.

2026

• From Gradient Flow to Acceleration: A Mathematical Tour of First-Order Methods.

  Department of Mathematics, Pukyong National University
  Busan (South Korea), 20 July 2026.

• From Gradient Flow to Acceleration: A Mathematical Tour of First-Order Methods.

  Department of Mathematics, Sungkyunkwan University (SKKU)
  Suwon (South Korea), 15 July 2026.

• From Gradient Flow to Acceleration: A Mathematical Tour of First-Order Methods.

  Department of Mathematical Sciences, Seoul National University
  Seoul (South Korea), 14 July 2026.

• Maximiser, minimiser, décider : à quoi sert vraiment l’optimisation ?

  Séminaire Elbilia Sup (Online)
  Casablanca (Morocco), 25 June 2026.

• Variational Modulus of Convexity under Moreau Envelopes: Attenuation, Recovery, and Oracle Tuning.

  Séminaire LAMIA, Université des Antilles
  Pointe-à-Pitre (Guadeloupe, France), 29 April 2026.

• Variational Modulus of Convexity under Moreau Envelopes: Attenuation, Recovery, and Oracle Tuning.

  XV Brazilian Workshop on Continuous Optimization
  Blumenau (Brazil), 23–27 February 2026.

• From Gradient Flow to Acceleration: A Mathematical Tour of First-Order Methods.

  Ton Duc Thang University
  Ho Chi Minh City (Vietnam), 12 January 2026.

• When Do Composite Variational Systems Behave Lipschitzly? A Geometric View via Coderivatives.

  Ton Duc Thang University
  Ho Chi Minh City (Vietnam), 11 January 2026.

2025

• From Cauchy to Nesterov: Why Acceleration Matters in Optimization.

  International Conference on Mathematics, Artificial Intelligence and Its Applications — ENS Tétouan (Online)
  Tétouan (Morocco), 18–20 December 2025.

• From Astronomy to Data Science: A Short History of Optimization Algorithms.

  Malaysia France Institute, Universiti Kuala Lumpur (UniKL)
  Kuala Lumpur (Malaysia), 18 December 2025.

• Dynamiques continues et algorithmes de gradient : un regard sur l’accélération des méthodes de premier ordre.

  7ème Congrès International de la Société Marocaine de Mathématiques Appliquées (SM2A)
  Meknès (Morocco), 1–3 December 2025.

• De Cauchy à Nesterov : pourquoi certaines descentes vont (beaucoup) plus vite que d’autres ?

  Séminaire LAMIA, Université des Antilles
  Pointe-à-Pitre (Guadeloupe, France), 27 November 2025.

• Large-Damping Limits in Accelerated Optimization Dynamics: A Singular Perturbation Approach.

  Indo-French Seminar on Recent Developments in Nonlinear Optimization Problems and Applications
  Varanasi (India), 29–31 October 2025.

• Understanding Acceleration Phenomena in First-Order Optimization: A Historical Perspective.

  IMCA: Instituto de Matemáticas y Ciencias Afines
  Lima (Peru), 13 October 2025.

• Proto-Differentiability and Convergence in Variational Inequalities and Monotone Inclusions.

  XVI ISORA
  Cusco (Peru), 6–10 October 2025.

• Understanding Acceleration Phenomena in First-Order Optimization: A Historical Perspective.

  Variational Analysis and Optimization III
  Pavia (Italy), 8–9 September 2025.

• L’héritage mathématique de Hedy Attouch : des fondements de l’analyse variationnelle aux algorithmes modernes.

  Biennale SMAI
  Carcans (France), 4 June 2025.

• Bridging Discrete Algorithms and Continuous ODEs in Accelerated First-Order Optimization: A Historical Perspective.

  Spring Workshop on Optimization and Machine Learning
  Toulouse (France), 1 April 2025.

• Enhancing Sensitivity Analysis for Monotone Inclusions Through Proto-Differentiability of the Resolvent Operator.

  International Workshop on Applied Mathematics
  Nha Trang (Vietnam), 17–19 March 2025.

• Understanding Acceleration Phenomena in First-Order Optimization: A Historical Perspective.

  Spring School and Workshop on Variational Analysis and Optimization (ICOVAO 2025)
  Hanoi (Vietnam), 10–15 March 2025.

• Bridging Discrete Algorithms and Continuous ODEs in Accelerated First-Order Optimization: A Historical Perspective.

  Departamento de Matemáticas, Universidad de Alicante
  Alicante (Spain), 11 February 2025.

• Bridging Discrete Algorithms and Continuous ODEs in Accelerated First-Order Optimization: A Historical Perspective.

  Ton Duc Thang University
  Ho Chi Minh City (Vietnam), 21 January 2025.

• Understanding Acceleration Phenomena in First-Order Optimization Algorithms.

  Applied Mathematics Seminar, McGill University
  Montréal (Canada), 6 January 2025.

2024

• The Limit Dynamic of the Su-Boyd-Candès Inertial Gradient System: A High-Resolution Analysis of Accelerated Optimization.

  First Workshop on Continuous and Dynamic Optimization (CDO), University of O’Higgins
  Rancagua (Chile), 17–18 December 2024.

• The Limit Dynamic of the Su-Boyd-Candès Inertial Gradient System: A High-Resolution Analysis of Accelerated Optimization.

  Workshop VANO, The Hong Kong Polytechnic University
  Hong Kong (Hong Kong SAR, China), 2–4 December 2024.

• The Limit Dynamic of the SBC Inertial System when the Coefficient α Becomes Large: A Singular Perturbation Approach.

  Applied Analysis and Modeling: A Conference in Honor of Olivier Goubet
  Lille (France), 4–6 November 2024.

• The Limit Dynamic of the SBC Inertial System when the Coefficient α Becomes Large: A Singular Perturbation Approach.

  ISMP 2024: 25th International Symposium on Mathematical Programming
  Montréal (Canada), 25 July 2024.

• The Limit Dynamic of the SBC Inertial System when the Coefficient α Becomes Large: A Singular Perturbation Approach.

  Journées MARGAUx: Optimisation, Contrôle et Applications en Nouvelle-Aquitaine
  Pau (France), 13–14 June 2024.

• Exploring Proto-Differentiability and Graphical Convergence in Monotone Variational Analysis.

  Advances in Nonlinear Analysis and Optimization
  Erice (Italy), 24–28 May 2024.

• Acceleration of First-Order Optimization Methods.

  Spring School in Nonsmooth Analysis and Optimization — Mini-course (4.5 hours)
  Marrakech (Morocco), 15–19 April 2024.
  3 sessions of 1.5 hours.

• Finite Convergence of Proximal-Gradient Inertial Algorithms Combining Dry Friction with Hessian-Driven Damping.

  Spring School in Nonsmooth Analysis and Optimization — One-hour seminar
  Marrakech (Morocco), 15 April 2024.

• Hommage à Hedy Attouch.

  Journées SMAI-MODE
  Lyon (France), 27 March 2024.

• Voyage dans le temps : Les mathématiques des Babyloniens.

  BfM de l’Aurence — Outreach talk for middle- and high-school students
  Limoges (France), 13 March 2024.

• Enhancing Sensitivity Analysis for Monotone Inclusions Through Proto-Differentiability of the Resolvent Operator.

  Hanoi Institute of Mathematics, Vietnam Academy of Science and Technology
  Hanoi (Vietnam), 31 January 2024.

• From Gradient Descent to Advanced Acceleration: A Journey Through First-Order Optimization Algorithms.

  Hanoi University of Education
  Hanoi (Vietnam), 30 January 2024.

• From Gradient Descent to Advanced Acceleration: A Journey Through First-Order Optimization Algorithms.

  Hanoi University of Science, Vietnam National University
  Hanoi (Vietnam), 26 January 2024.

• From Gradient Descent to Advanced Acceleration: A Journey Through First-Order Optimization Algorithms.

  Hanoi Pedagogical University 2
  Hanoi (Vietnam), 25 January 2024.

• Enhancing Sensitivity Analysis for Monotone Inclusions Through Proto-Differentiability of the Resolvent Operator.

  3rd International Conference on Variational Analysis and Optimization
  Santiago (Chile), 15–18 January 2024.

2023

• Accelerated Dynamics with Dry Friction via Time Scaling and Averaging of Doubly Nonlinear Evolution Equations.

  Workshop on Optimisation, Metric Bounds, Approximation and Transversality
  Sydney (Australia), 11–15 December 2023.

• Enhancing Sensitivity Analysis for Monotone Inclusions Through Proto-Differentiability of the Resolvent Operator.

  AustMS 2023: 67th Annual Meeting of the Australian Mathematical Society
  Brisbane (Australia), 5–8 December 2023.

• Acceleration of First-Order Methods in Optimization.

  Department of Mathematics and Statistics, University of Guelph
  Guelph (Canada), 31 October 2023.

• Pushing the Boundaries of First-Order Optimization: From Gradient Descent to Accelerated Algorithms.

  GERAD, Université de Montréal
  Montréal (Canada), 10 October 2023.

• Riemannian Gradient Structure in Accelerated Dynamics with Dry Friction: Time Scaling and Averaging of Doubly Nonlinear Evolution Equations.

  International Conference on Optimization and Control Theory with Applications
  Hanoi (Vietnam), 24–26 August 2023.

• Understanding Acceleration Phenomena in First-Order Optimization Algorithms.

  Hanoi Pedagogical University 2
  Hanoi (Vietnam), 23 August 2023.

• Pushing the Boundaries of First-Order Optimization: From Gradient Descent to Accelerated Algorithms.

  School of Applied Mathematics and Informatics, Hanoi University of Science and Technology (HUST)
  Hanoi (Vietnam), 21 August 2023.

• Accelerated Dynamics with Dry Friction via Time Scaling and Averaging of Doubly Nonlinear Evolution Equations.

  SIAM Conference on Optimization
  Seattle (United States), 31 May–3 June 2023.

2022

• On the Acceleration of First-Order Methods: Applications in Optimization and Learning.

  Departments of Numerical Analysis and Scientific Computing, and Optimization and Control Theory, Vietnam Academy of Science and Technology (VAST)
  Hanoi (Vietnam), 19 December 2022.

• On the Acceleration of First-Order Methods: Applications in Optimization and Learning.

  Ton Duc Thang University
  Ho Chi Minh City (Vietnam), 15 December 2022.

• On the Acceleration of First-Order Methods: Applications in Optimization and Learning.

  Universiti Sains Malaysia (USM)
  Penang (Malaysia), 16 November 2022.

• Fast Algorithmic Methods for Optimization and Learning.

  GDR MOA Mini-Course, Université Côte d’Azur
  Nice (France), 11 October 2022.
  3-hour mini-course (two 1.5-hour sessions).

• Sensitivity Analysis of Monotone Inclusions via the Proto-Differentiability of the Resolvent Operator.

  XI International Seminar on Optimization and Variational Analysis
  Alicante (Spain), 22–24 September 2022.

• Finite Convergence of Proximal-Gradient Inertial Algorithms Combining Dry Friction with Hessian-Driven Damping.

  EURO 2022
  Espoo (Finland), 4 July 2022.

• On the Acceleration of First-Order Methods: Applications in Optimization and Learning — Presentation of the ACSYON Master’s Degree.

  UniKL Seminar, Universiti Kuala Lumpur
  Kuala Lumpur (Malaysia), 14 June 2022.

• Sur l’accélération des méthodes du premier ordre : applications en optimisation et en apprentissage.

  Samedi de la Recherche, Université des Antilles
  Pointe-à-Pitre, Guadeloupe (France), 12 March 2022.