2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210680Under a slightly stronger hypothesis, one improves a connectedness result of Debarre [D] for a product of two projective spaces in terms of the extension problem of formal-rational functions (see Theorems 1.3 and 1.4 of the introduction)Algebraic Geometry14M07; 14B10; 14F20On a connectedness theorem of Debarretext