Laurent Vidal

Laurent Vidal

Quick introduction

I am third year PhD student in the MATHERIALS teams, INRIA Paris, and CERMICS lab, École Nationale des Ponts et Chaussées (ENPC).

I am working under the supervision of Éric Cancès and Antoine Levitt.

My main interests: electronic structure computation in quantum chemistry, 2D and Moiré materials, Wannier functions, numerical analysis, optimization on manifolds.

Contact: Laurent.vidal (at) enpc (dot) fr

Laurent Vidal
CERMICS, École Nationale des Ponts et Chaussées
6 et 8, av. Blaise Pascal
Cité Descartes – Champs-sur-Marne
77455 Marne-la-Vallée Cedex 2

Curriculum vitae


A substantial part of my work has been implemented either as a feature of the plane-wave density functional theory julia package DFTK.jl, or as independant code. I invite the interested passer-by to scheme through the DFTK.jl documentation or my github LaurentVidal95 for further details.



  • Cancès, E., Hassan, M., & Vidal, L. (2022). Modified-operator method for the calculation of band diagrams of crystalline materials. Published in Mathematics of Computation (link)


  • Cancès, E., Dusson, G., Kemlin, G., & Vidal, L. (2022). On basis set optimisation in quantum chemistry. Accepted in ESAIM Proceedings. (arXiv)

Talks and conferences


  • February – March 2023: SIAM CSE 23 mini-symposium Recent Advances in Numerical Methods for Electronic Structure Calculations. “Modified-Operator Method for the Calculation of Band Diagrams of Crystalline Materials” (slides).
  • August 2022: GAMM 92nd annual meeting, session 26 on Modelling, analysis and simulation of molecular systems. “On the approximation of energy bands in the Brillouin zone”.
  • June 2021: EMC2 meeting. “Methods for computing Restricted Open-Shell Hartree Fock (ROHF) groud states”.

  Other events

  • August 2022: DFTK school Numerical methods for density-functional theory simulations.
  • June – July 2022: International summer School in electronic structure Theory (ISTPC).
  • June 2022: GDR NBODY 4th mini-school.
  • July-August 2021: CEMRACS Data Assimilation and Reduced Modeling for High Dimensional Problems.

Teaching activities

  • February – June 2021 / 2022 / 2023, École Nationale des Ponts et Chaussées (ENPC): supervision of a group project for first year students (equivalent to third year at university). Modelization and computation of the electronic structure of crystalline materials.
  • September 2022, École Nationale des Ponts et Chaussées (ENPC): OMPI course. Introductory lesson to completeness, Banach spaces, linear operators and the solving of ODEs.

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