Dialogue on analytical and ab initio methods in attoscienceGregory S. J. Armstrong, Margarita A. Khokhlova, Marie Labeye, Andrew S. Maxwell, Emilio Pisanty and Marco RubertiEur. Phys. J. D, 75 7 (2021) 209DOI: https://doi.org/10.1140/epjd/s10053-021-00207-3