2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144592We prove the cohomological crepant resolution conjecture of Ruan for the weighted projective space P(1,3,4,4). To compute the quantum corrected cohomology ring we combine the results of Coates-Corti-Iritani-Tseng on P(1,1,1,3) and our previous results.11 pages, 1 figureAlgebraic Geometrytext