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tgravier/README.md

Thomas Gravier

Researcher in Applied Mathematics & Machine Learning
Master MVA (Mathematics, Vision & Learning) - École Normale Supérieure Paris-Saclay
Research at École Normale Supérieure (Ulm) - IBENS

Website Google Scholar LinkedIn


Featured Research

Multi-marginal temporal Schrödinger Bridge Matching for video generation from unpaired data

Under review at ICLR 2026

arXiv Project Page Code

Extending Schrödinger bridges to multiple marginals for reconstructing temporal evolution from static data snapshots. Applications in video generation, cellular differentiation, and disease progression modeling.


Research Interests

  • Generative Modeling - VAEs, Diffusion Models, GANs
  • Optimal Transport - Schrödinger Bridges, Multi-marginal OT
  • Information Geometry - Manifold Learning, Riemannian Optimization
  • Applied Probability - Stochastic Processes, MCMC Methods
  • Scientific Computing - Physics-Informed ML, Inverse Problems

Achievements

  • 1st Place - EchoCem Data Challenge (Collège de France)
  • Highest Honours - Master MVA (17.37/20 average)
  • ICLR 2026 - Paper submission on Multi-marginal Schrödinger Bridges
  • EDF Excellence Scholarship - Mathematical Sciences

Experience

Research Intern - École Normale Supérieure (Ulm) - IBENS (2025)
Multi-marginal Schrödinger Bridges for video generation from unpaired data

Research Engineer - French Space Agency (CNES) (2023-2024)
Inverse problems, Physics-Informed ML, signal processing for aerospace

Research Intern - French Space Agency (CNES) (2022-2023)
Capillary fluid dynamics models tested in microgravity


Education

Master 2 MVA - École Normale Supérieure Paris-Saclay (2024-2025)
Mathematics, Vision & Learning - Highest Honours

Master in Engineering - Arts et Métiers (2020-2023)
Applied Mathematics, Optimization, Modeling & Simulation - Top 10%


Projects Portfolio

Portfolio

Selected Projects

  • Video Generation - Multi-marginal Schrödinger bridges for temporal dynamics
  • Medical Imaging - Generative vs Discriminative robustness (MedMNIST)
  • Audio Processing - Wave-U-Net for source separation
  • Topological Data Analysis - PersLay neural networks
  • Geophysics - EchoCem ultrasonic well image segmentation
  • Computational Statistics - MCMC methods and optimization

Tech Stack

Languages: Python, MATLAB, C++, R
ML/DL: PyTorch, TensorFlow, scikit-learn, JAX
Scientific: NumPy, SciPy, Matplotlib, Seaborn
Tools: Git, Docker, LaTeX, Jupyter, VS Code


Beyond Research

When not diving into mathematics and machine learning, you'll find me:

  • Sailing expeditions across Mediterranean waters
  • Paragliding over Alpine landscapes
  • Mountaineering and technical climbing
  • Trekking in remote mountain ranges

Let's Connect

Website: tgravier.github.io
Email: thomas.gravier@gadz.org
Google Scholar: Academic Profile
LinkedIn: thomas-gravier


Seeking PhD opportunities in Machine Learning Theory, Stochastic Processes, or Optimal Transport

Profile Views

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  1. MMDSBM-pytorch MMDSBM-pytorch Public

    PyTorch Implementation of Multi Marginal Diffusion Schrodinger Bridge Matching (MMDSBM) inspired by implementation of Diffusion Schrodinger Bridge Matching by Yu Yang Shi & Valentin de Bortoli

    Python 1

  2. MVA-Portfolio MVA-Portfolio Public

    This repository summarizes all academic work completed during the Master MVA (Mathématiques, Vision, Apprentissage) at ENS Paris-Saclay, a world-class program in machine learning, applied mathemati…

    Jupyter Notebook 1

  3. tgravier.github.io tgravier.github.io Public

    Thomas Gravier - Academic Website

    JavaScript