2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73935Positive Dehn twist products for some elements of finite order in the mapping class group of a 2-dimensional closed, compact, oriented surface $Σ_g$, which are rotations of $Σ_g$ through $2π/p$, are presented. The homeomorphism invariants of the resulting simply connected symplectic 4- manifolds are computed.17 pages, 16 figuresGeometric Topology57M07;57R17, 20F38text