2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/136974We construct the Fukaya category of a closed surface equipped with an area form using only elementary (essentially combinatorial) methods. We also compute the Grothendieck group of its derived category.40 pages, 17 figures. Final VersionSymplectic GeometryGeometric Topology57R58; 57N05text