2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61117For every integer g greater than or equal to 2, there exist infinitely many pairwise nonhomeomorphic smooth 4-manifolds that admit genus-g Lefschetz fibrations over S^2 but do not carry any complex structure with either orientation. This extends a recent result of Ozbagci and Stipsicz.14 pages, 4 figuresGeometric TopologySymplectic Geometry57R15; 55R55; 57R30text