2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143554Using iterated vanishing cycles and convolution, we prove a motivic version of a conjecture of Steenbrink concerning the spectrum of hypersurface singularities40 pages. Final versionAlgebraic Geometry14B05; 14B07; 14J17; 32S05; 32S25; 32S30; 32S35; 32S55Iterated vanishing cycles, convolution, and a motivic analogue of a conjecture of Steenbrinktext