Populations of filaments from the distribution of galaxies in numerical simulations Daniela Galárraga-Espinosa, Nabila Aghanim, Mathieu Langer, Céline Gouin and Nicola Malavasi A&A, 641 (2020) A173 Published online: 29 September 2020 DOI: 10.1051/0004-6361/202037986