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Talks in conferences and seminarsDefining Lyapunov functions as the solution of a performance estimation saddle point problem, Journées du PGMO, Palaiseau, November 2024 Monitoring the Convergence Speed of PDHG to Find Better Primal and Dual Step Sizes, EURO conference, Copenhagen, July 2024 Monitoring the Convergence Speed of PDHG to Find Better Primal and Dual Step Sizes, Journées du PGMO, Palaiseau, November 2023 Solving stochastic weak Minty variational inequalities without increasing batch size, Journées annuelles du GdR MOA, Perpignan, October 2023. Quadratic Error Bound of the Smoothed Gap and the Restarted Averaged Primal-Dual Hybrid Gradient, Journées du PGMO, Palaiseau, November 2022 Quadratic error bound of the smoothed gap and the restarted averaged primal-dual hybrid gradient, Hong Kong University Machine Learning and Optimization seminar, online, March 2022. Quadratic error bound of the smoothed gap and the restarted averaged primal-dual hybrid gradient, Journée optimisation de l'Institut Polytechnique de Paris, September 2021. Estimation and optimization of the power consumption of an analog to parameter converter, Journée recherche de Télécom Paris, June 2021. A first review on efficient machine learning, Journée recherche du département IDS, online, March 2021. Linear convergence of stochastic dual coordinate descent on non-polyhedral convex problems, Séminaire d'Analyse et Probabilités de Paris-Dauphine, online, February 2021 Random extrapolation for primal-dual coordinate descent, Bath Numerical Analysis Seminar, online, November 2020 Sur la convergence de la méthode du gradient hybride primal-dual stochastique, Journées SMAI-MODE, online, September 2020 A Smooth Primal-Dual Optimization Framework for Nonsmooth Composite Convex Minimization, Journée recherche du département IDS, Paris, July 2019. Almost surely constrained convex optimization, EUROPT workshop, Glasgow, June 2019. An adaptive primal-dual framework for nonsmooth convex minimization, 28th Biennial Conference on Numerical Analysis, Glasgow, June 2019. Algorithmes d’Optimisation Sûrs pour la Sélection de Variables et le Réglage d’Hyperparamètre, Inauguration chaire DSAIDIS, Paris, April 2019. Smooth Primal-Dual Coordinate Descent Algorithms for Nonsmooth Convex Optimization, Working group Machine learning and optimization, Marne-la-Vallée, January 2019. A generic coordinate descent solver for nonsmooth convex optimization, Journées du PGMO, Palaiseau, November 2018. Mind the duality gap: safer rules for the Lasso, séminaire franco-russe sur le big data - forum du développement des liens des sociétés civiles Russie-France, Paris, October 2018. Adaptive Double Loop Smoothing Algorithms, International Symposium on Mathematical Programming, Bordeaux, July 2018. Redémarrer la méthode de descente par coordonnée accélérée avec une estimation imprécise de la borne d'erreur quadratique, Journées SMAI MODE, Autrans, March 2018. Convergence speed of a primal-dual coordinate descent method, Workshop on Optimization and Big Data, KAUST, February 2018. Smooth Primal-Dual Coordinate Descent Algorithms for Nonsmooth Convex Optimization, Journées du PGMO, Palaiseau, November 2017. Smoothing Technique for Nonsmooth Composite Minimization with Linear Operator, SIAM Conference on Optimization, Vancouver, May 2017. A Smooth Primal-Dual Optimization Framework for Nonsmooth Composite Convex Minimization, Workshop: Shape, Images and Optimization, Münster, March 2017. Using Big Steps in Coordinate Descent Primal-Dual Algorithms, Conference on Decision and Control, Las Vegas, December 2016. Restarting accelerated gradient methods with a rough strong convexity estimate, Journées du GdR MOA, Sainte Anne, November 2016. Primal-dual coordinate descent: application to joint quantile regression, EURO conference, Poznań, July 2016. Un algorithme de descente par coordonnée primal-dual avec de longs pas de descente et des fonctions non-séparables, journées SMAI-MODE, Toulouse, March 2016. Un algorithme de descente par coordonnée primal-dual avec de longs pas de descente et des fonctions non-séparables, Séminaire Parisien d'Optimisation, Paris, January 2016. GAP Safe screening rules for sparse multi-task and multi-class models, NIPS, Montréal, December 2015. Primal-dual coordinate descent, International Symposium on Mathematical Programming, Pittsburgh, July 2015. Slides Mind the duality gap when screening the Lasso, 26th biennial numerical analysis conference, Glasgow, June 2015. Accelerated, Parallel and Proximal Coordinate Descent, IMA Leslie Fox Prize in Numerical Analysis, Glasgow, June 2015. De l'usage du saut de dualité pour la présélection dynamique des variables pour le Lasso, séminaire de statistiques de l'IRMAR, Rennes, France, April 2015. De l'usage du saut de dualité pour la présélection dynamique des variables pour le Lasso, séminaire de statistiques d'Agro-ParisTech, Paris, France, March 2015. Accelerated, Parallel and Proximal Coordinate Descent, séminaire de l'équipe AMA, Grenoble, March 2015. Accelerated, Parallel and Proximal Coordinate Descent, Smile in Paris seminar, Paris, France, October 2014. Fast Distributed Coordinate Descent For Non-Strongly Convex Losses, IEEE International Workshop on Machine Learning for Signal Processing, Reims, France, September 2014. Universal coordinate descent, 4th IMA conference on numerical linear algebra and optimisation, Birmingham, United Kingdom, September 2014. Slides Descente par coordonnée accélérée, parallèle et proximale, séminaire de l'équipe Modélisation, Optimisation et Dynamique, Université de Limoges, France, March 2014. Smooth minimization of nonsmooth function with parallel coordinate descent, séminaire de l'équipe algorithme parallèles, Cerfacs, Toulouse, France, March 2014. Accelerated, Parallel and Proximal coordinate descent method, séminaire de l'équipe Sierra, Inria Paris, France, January 2014. Parallel coordinate descent for the Adaboost problem, International Conference on Machine Learning and Applications (ICMLA), Miami, December 2013. Poster Physiologically structured cell population dynamic models with applications to combined drug delivery optimisation in oncology, Journée Thématique Metice : Inflammation et résistance aux thérapies, Lyon, November 2013. Optimisation de vecteurs propres de Perron et applications: du référencement de pages web à la chronothérapie, Journées du PGMO, Palaiseau, France, October 2013 Smoothed parallel coordinate descent method for huge-scale optimization problems, International Conference on Continuous OPTimization, Lisbon, July 2013. Doubly Parallelized Coordinate Descent, 25th Biennial Numerical Analysis Conference, Glasgow, June 2013. Smooth minimization of nonsmooth functions by parallel coordinate descent, Optimization and Big Data workshop, Edinburgh, May 2013. Smooth minimization of nonsmooth functions by parallel coordinate descent, ERGO seminar, Edinburgh, February 2013. PageRank optimization applied to spam detection, 6th International conference on NETwork Games, COntrol and OPtimization (Netgcoop), Avignon, November 28-30, 2012. Slides Polyhedral and ergodic control approaches to PageRank optimization and spam detection, 21st International Symposium on Mathematical Programming, Berlin, August 19-24 2012. Slides Synchronisation and control of proliferation in cycling cell population models with age structure, 3rd International Conference on Engineering Optimization, Rio de Janeiro, July 1-5, 2012 Optimization of the HOTS score of a website's pages, SIAM Conference on Applied Linear Algebra, Valencia, June 18-22, 2012. Slides Convergence of Tomlin's HOTS algorithm and optimization of web ranking, seminar of the research group on Large Graphs and Networks at Université Catholique de Louvain, February 10, 2012 Optimisation du vecteur de Perron appliquée aux moteurs de recherche, 7th Optimeo day in Versailles, June 7, 2011. Perron vector Optimization applied to search engines, talk at IMACS10 conference (10th IMACS International Symposium on Iterative Methods in Scientific Computing) in Marrakech, Mai 18th, 2011. Slides PageRank Optimization through Constrained Ergodic Control, talk at SIAM annual meeting 2010 in Pittsburgh, July 14th 2010. Slides PageRank Optimization through Constrained Ergodic Control, Orange Labs SODA seminar (11th Seminar on Operations research and Decision-mAking Engineering) in Sophia Antipolis, June 8, 2010 |