2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/99863We prove that a sound-soft polyhedral scatterer is uniquely determined by the far-field pattern corresponding to an incident plane wave at one given wavenumber and one given incident direction.The proof of Proposition 3.2 is incomplete. Corrigendum is available through arXiv (math.AP/0601406)Analysis of PDEs35R30Determining a sound-soft polyhedral scatterer by a single far-field measurementtext