2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78069Let $D\subset\Co$ be a bounded domain, whose boundary $B$ consists of $k$ simple closed continuous curves and $H^{\infty}(D)$ be the algebra of bounded analytic functions on $D$. We prove the matrix-valued corona theorem for matrices with entries in $H^{\infty}(D)$.6 pagesComplex Variables46J15; 30H05text