2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218875The concept of Gorenstein dimension, defined by Auslander and Bridger for finitely generated modules over a Noetherian ring, is studied in the context of finitely presented modules over a coherent ring. A generalization of the Auslander-Bridger formula is established and is used as a cornerstone in the development of a theory of coherent Gorenstein rings.28 pagesCommutative Algebra13D05; 13D07text