Baptiste Goujaud

Postdoctoral researcher

INRIA

Biography

I am a postdoctoral researcher in the MIND team at INRIA Saclay, working in Optimization with Thomas Moreau (INRIA) and Pierre Ablin (Apple).

Previously I completed a PhD in the CMAP lab at Ecole Polytechnique under the supervision of Aymeric Dieuleveut (Ecole Polytechnique) and Adrien Taylor (INRIA).

My research interests include Machine Learning, Optimization and Statistics. In particular, I am interested in distributed learning, generalization, privacy, robustness, diffusion processes and many more related topics.

Interests

Optimization
Distributed Learning
Robustness
Diffusion models

Education

PhD in Optimization for Machine Learning, 2024
Ecole Polytechnique
Master of Science in Machine Learning and Computer Vision (MVA), 2017
Ecole Normale Supérieure Paris-Saclay
Agrégation de mathématiques, ranked 18th, 2016
Ecole Normale Supérieure Paris-Saclay

Publications

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Damien Ferbach, Baptiste Goujaud, Gauthier Gidel, Aymeric Dieuleveut (2024). Proving linear mode connectivity of neural networks via optimal transport. AISTATS 2024.

Baptiste Goujaud, Céline Moucer, Francois Glineur, Julien Hendrickx, Adrien Taylor, Aymeric Dieuleveut (2024). PEPit: computer-assisted worst-case analyses of first-order optimization methods in Python. Mathematical Programming Computation (MPC).

Baptiste Goujaud, Aymeric Dieuleveut, Adrien Taylor (2023). Counter-examples in first-order optimization: a constructive approach. L-CSS.

Charles Guille-Escuret, Adam Ibrahim, Baptiste Goujaud, Ioannis Mitliagkas (2023). Gradient descent is optimal under lower restricted secant inequality and upper error bound. NeurIPS 2023.

Baptiste Goujaud, Aymeric Dieuleveut, Adrien Taylor (2023). On Fundamental Proof Structures in First-Order Optimization. CDC 2023.

See all publications

Posts

On the Link Between Optimization and Polynomials and Cyclical Step-sizes.

In this blog post, we see how cyclical step-sizes strategy naturally emerges from the link between optimization theory and polynomials.

May 27, 2022 0 min read

On the Link Between Optimization and Polynomials and Cyclical Step-sizes.