Louis Montaut

About

Louis Montaut is a robotics researcher whose work sits at the intersection of collision detection, physics simulation, and differentiable programming — areas that form the computational backbone of modern robot control, planning, and learning. His most recognized contribution, "Contact Models in Robotics: A Comparative Analysis" (2024, 36 citations), provides an authoritative survey of physics simulators central to both model-based and model-free robotics pipelines. Montaut has made particularly notable strides in advancing collision detection algorithms: his "GJK++: Leveraging Acceleration Methods for Faster Collision Detection" (27 citations) and "Collision Detection Accelerated: An Optimization Perspective" (20 citations) reframe the classical GJK algorithm through modern optimization theory, yielding meaningful speed improvements. His work on differentiable collision detection and randomized smoothing (2022–2023) addresses a critical challenge — making inherently non-smooth physical processes amenable to gradient-based optimization, enabling their integration into differentiable pipelines for trajectory optimization and reinforcement learning. More recently, he has extended these ideas to compliant contact simulation and soft robotics. Collectively accumulating over 120 citations in just a few years, Montaut's research is rapidly shaping how the robotics community handles the fundamental computational challenges of contact and collision.

Research Focus

Key Achievements

Top Papers

1. 1
   Contact Models in Robotics: A Comparative Analysis

   36 citations · 2024
2. 2
   GJK++: Leveraging Acceleration Methods for Faster Collision Detection

   27 citations · 2024
3. 3
   Differentiable Collision Detection: a Randomized Smoothing Approach

   26 citations · 2023
4. 4
   Collision Detection Accelerated: An Optimization Perspective

   20 citations · 2022
5. 5
   From Compliant to Rigid Contact Simulation: a Unified and Efficient Approach

   9 citations · 2024
6. 6
   Contact Models in Robotics: a Comparative Analysis

   4 citations · 2023
7. 7
   Augmenting differentiable physics with randomized smoothing

   3 citations · 2022
8. 8
   Differentiable Simulation of Soft Robots with Frictional Contacts

   2 citations · 2025
9. 9
   Leveraging Randomized Smoothing for Optimal Control of Nonsmooth Dynamical Systems

   2 citations · 2022

Key Collaborators

Contact & Links