T.Saue: "Towards variational QED" Paris Sep 24-25 2018

M. Lewin: "Spectral pollution in relativistic calculations based on the Dirac operator" Paris Sep 24-25 2018

T. Saue: "Towards variational QED" (CAS version) Oslo Nov 1 2017

A. Efremov: The renormalization group: applications in QFT Montpellier, Dec 10 2019

T. Saue: "The role of relativity and vacuum in chemistry" Nantes, Jan 16 2020

A. Efremov: The renormalization group: applications in QFT Tours, Jan 16 2020

A. Efremov: An introduction to QED GMO seminar, Toulouse, Jan 23 2020