2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63026We give an affirmative answer to a conjecture of Ma. Kato, namely that every compact complex surface $S$ in Kodaira's class $VII_0$ with $b_2(S) > 0$ and $b_2(S)$ rational curves, admits a global spherical shell.27 pagesComplex VariablesAlgebraic Geometry32J15 (Primary); 32M05; 14J99; 57R30 (Secondary)Class VII surfaces with $b_2$ curvestext