About

Laboratoire Mathématiques & Interactions J.A. Dieudonné
CNRS UMR 7351, Université Côte d’Azur
Parc Valrose 06108 NICE CEDEX 2, France

Email: samuel.vaiter@cnrs.fr

Positions and Education

Since 2015, I am a junior (permanent) researcher at CNRS. My full academic career and education is described below.

September 2021 – ongoing: CNRS researcher (Chargé de Recherche classe normale)
Laboratoire J.A. Dieudonné (LJAD, UMR 7351) – Centre National de la Recherche Scientifique

2021: Habilitation in Applied Mathematics
Université de Bourgogne – Dijon, France
Title: From optimization to algorithmic differentiation: a graph detour.
Defense: January 14th, 2021.
Referees: Alexandre d’Aspremont (rev.), Francis Bach, Martin Burger (rev.), Hervé Cardot, Marco Cuturi, Alexandre Gramfort, Jérôme Malick (rev.), Joseph Salmon.

October 2015 – August 2021: CNRS researcher (Chargé de Recherche classe normale)
Institut de Mathématiques de Bourgogne (IMB, UMR 5584) – Centre National de la Recherche Scientifique

October 2014 – September 2015: Post-doctoral researcher
Centre de Mathématiques Appliquée (CMAP, UMR 7641) – École Polytechnique
Supervisor : Antonin Chambolle
Research area : Optimization on GPU for denoising, debluring and related problems

2011–2014: PhD in Applied Mathematics
Université Paris-Dauphine – Paris, France
Title: Low Complexity Regularizations of Inverse Problems.
Advisor: Gabriel Peyré.
Defense: July 10th, 2014.
Jury: Francis Bach, Emmanuel Candès (rev.), Antonin Chambolle, Albert Cohen, Charles Dossal, Jalal Fadili, Rémi Gribonval (rev.), Gabriel Peyré (adv.), Vincent Rivoirard.

2011: MSc in Applied Mathematics
École Normale Supérieure de Cachan – Université Paris-Descartes – Paris, France

2008: BSc in Computer Science
École Normale Supérieure de Lyon – Université Claude Bernard – Lyon, France

Team

Current students

Sophie Jaffard

Sophie Jaffard (2022-2025?), co-supervised with Patricia Reynaud-Bouret.

Matthieu Cordonnier (2021-2024?), co-supervised with Nicolas Keriven and Nicolas Tremblay.

Mathieu Dagréou

Mathieu Dagréou (2021-2024?), co-supervised with Thomas Moreau and Pierre Ablin.


Alumni
Hashem Ghanem

Hashem Ghanem (2020-2023), co-supervised with Nicolas Keriven and Joseph Salmon.

Quentin Klopfenstein

Quentin Klopfenstein (2018-2021), co-supervised with Hervé Cardot (now at Owkin).

Prizes

2017: Inform. Inf. prize by Institute of Mathematics and its Applications
2015: PhD thesis award (Prix Jeunes Chercheurs) by Fondation Dauphine
2015: PhD thesis award by Programme Gaspard Monge (PGMO), Fondation Hadamard

Grants

GraVa (2018-03-15 – 2024-06-30)
Variational Methods for Graph Signals, role: PI
Funding: Agence nationale de la recherche - Jeunes Chercheuses Jeunes Chercheurs , id: ANR-18-CE40-0005 (182480 €)

RAGA (2018-09-01 – 2021-08-31)
Régularisation sur Graphe, role: PI
Funding: ANER Région Bourgogne-Franche-Comté , id: ANER RAGA G048CVCRB-2018ZZ (345000 €)

DECONVIMMUNE (2018-10-01 – 2021-09-30)
Construction d’un nouveau modèle de déconvolution pour estimer les composants immunitaires cellulaires dans l’objectif d’une meilleure évaluation du pronostic des patients, role: Team leader
Funding: Plan Cancer INSERM , id: Plan Cancer 18CP134-00 (497000 €)

ABS (2017-02-01 – 2017-12-01)
Accélération et réduction du biais pour les modèles structurés, role: PI
Funding: CNRS Défi InFIniti, Mission pour l’interdisciplinarité (5000 €)

Events

2022-11-07 (5 days): Workshop Machine Learning and Signal Processing on Graphs at Centre International de Rencontres Mathématiques in Marseille, France.
2022-10-11 (4 days): Workshop Workshop GdR Mathematics of Optimization and Applications at Université Côte d’Azur in Nice, France.
2020-03-09 (5 days): Workshop Optimization for Machine Learning at Centre International de Rencontres Mathématiques in Marseille, France.
2019-05-02 (2 days): Workshop Graph signals : learning and optimization perspectives at Université de Montpellier in Montpellier, France.
2018-08-29 (3 days): Conference Processus et Échantillonnage at Université de Bourgogne in Dijon, France.
2018-05-03 (1 day): Workshop Parcimonie et applications at Université de Bordeaux in Bordeaux, France.
2015-12-02 (3 days): Workshop Journées du GdR MOA 2015 at Université de Bourgogne in Dijon, France.