2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/213560We show $L^1$ is complemented in the dual space $L^{\infty *}$ for a finite regular complex measure on a compact Hausdorff spaceMinor changes, e-mail update (one letter missing)Functional Analysis$L^1$ is complemented in the dual space $L^{\infty *}$text