2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71965We classify all Cohen-Macaulay chordal graphs. In particular. it is shown that a chordal graph is Cohen-Macaulay if and only if its unmixed.Commutative AlgebraCombinatorics13D02, 13P10, 13D40, 13A02text