2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73197The integral cohomology ring of the complement of an arrangement of linear subspaces of a finite dimensional complex projective space is determined by combinatorial data, i.e. the intersection poset and the dimension function.33 pagesAlgebraic Topology52C35, 55N45; 05E25The cohomology ring of the complement of a finite family of linear subspaces in a complex projective spacetext