2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/169618This note compares the usual (absolute) Gromov-Witten invariants of a symplectic manifold with the invariants that count the curves relative to a (symplectic) divisor D. We give explicit examples where these invariants differ even though it seems at first that they should agree, for example when counting genus zero curves in a class \be such that \be\cdot D=0. The main tool is the decomposition formula in the form developed by A. Li--Ruan.23 pages, 2 figuresSymplectic GeometryAlgebraic Geometry53D45, 14N35text