2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71557For the complement of a hyperplane arrangement we construct a dual homology basis to the no broken circuit basis of cohomology. This is based on the theory of wonderful embeddings and nested sets.10pagesAlgebraic GeometryAlgebraic TopologyNested sets and Jeffrey Kirwan cyclestext