2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/70166We compute the multiplier ideals of hyperplane arrangements via the interpretation of these ideals in terms of spaces of arcs, due to Ein, Lazarsfeld and the author.11 pages; final version, to appear in Trans. Amer. Math. SocAlgebraic GeometryCommutative Algebra14B05; 52C35text