2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123101We present a model of one-dimensional irreversible adsorption in which particles once adsorbed immediately shrink to a smaller size or expand to a larger size. Exact solutions for the fill factor and the particle number variance as a function of the size change are obtained. Results are compared with approximate analytical solutions.9 pages, 8 figuresDisordered Systems and Neural Networkstext