2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115491We calculate Perelman's invariant for compact complex surfaces and a few other smooth four-manifolds. We also prove some results concerning the dependence of Perelman's invariant on the smooth structure.10 pagesDifferential GeometryGeometric Topology57R57; 53C25; 57R55Monopole classes and Perelman's invariant of four-manifoldstext