Ab initio description of monopole resonances in light- and medium-mass nuclei - I. Technical aspects and uncertainties of ab initio PGCM calculationsA. Porro, T. Duguet, J. -P. Ebran, M. Frosini, R. Roth and V. SomàEur. Phys. J. A, 60 6 (2024) 133DOI: https://doi.org/10.1140/epja/s10050-024-01340-4