Rémy Degenne
Researcher at Inria
Lille, Hauts-de-France
Summary
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Rockstar🎓
Top SchoolRémy Degenne is a researcher based in Lille with ten years of experience bridging applied mathematics, machine learning and research software development. He holds a PhD in Applied Mathematics/Machine Learning and has held research positions at Inria, CWI and ENS, combining deep theoretical work with practical engineering roles earlier in his career. Rémy uniquely pairs measure-theoretic expertise with formal verification: he contributed to Lean's mathlib3 by defining Lp spaces and formalizing Hölder's inequality for Lebesgue integrals. His background spans top French and international institutions (École Polytechnique, ENS, TU Munich), reflecting a collaborative, cross-disciplinary profile. He focuses on turning rigorous mathematical ideas into reproducible, verifiable code.
10 years of coding experience
3 years of employment as a software developer
Master's Degree, Computer Science, Master's Degree, Computer Science at Technische Universität München / TU MunichMaster's Degree, Applied Mathematics, Computer Vision, Machine Learning, Master's Degree, Applied Mathematics, Computer Vision, Machine Learning at École Normale Supérieure de CachanDoctor of Philosophy (PhD), Machine Learning, Doctor of Philosophy (PhD), Machine Learning at École Normale Supérieure Paris-SaclayEcole polytechniqueDoctor of Philosophy (Ph.D.), Applied Mathematics, Doctor of Philosophy (Ph.D.), Applied Mathematics at Université Denis Diderot (Paris VII)
French, German, English
Github Skills (3)
proof10
proofs10
leanback10
Programming languages (5)
Github contributions (5)
leanprover-community/mathlib3
Nov 2020 - Jan 2023
Lean 3's obsolete mathematical components library: please use mathlib4
Role in this project:
Back-end Developer
Back-end DeveloperContributions:618 reviews, 585 commits, 201 PRs in 2 years 2 months
Contributions summary:Rémy contributed to the mathematical components library, mathlib3, by defining and working on Lp spaces and associated properties. They defined the space Lp of functions and its seminorm, and proved several lemmas related to this definition, including that negation, addition, and scalar multiplication are in Lp. Furthermore, they added Hölder's inequality for the Lebesgue integral of ennreal and nnreal functions. The user's work involved defining core mathematical concepts and proving related theorems.
maththeorem-provingcomponents-librarymathematicsjavascript
RemyDegenne/testing-lower-bounds
Feb 2024 - Mar 2025
Information theory and hypothesis testing, in Lean
Contributions:169 reviews, 226 PRs, 811 pushes in 1 year 1 month
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