2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71347A semi-dualizing module over a commutative noetherian ring A is a finitely generated module C with RHom_A(C,C) \simeq A in the derived category D(A). We show how each such module gives rise to three new homological dimensions which we call C-Gorenstein projective, C-Gorenstein injective, and C-Gorenstein flat dimension, and investigate the properties of these dimensions.25 pagesCommutative Algebra13D05, 13D07, 13D25, 18G10, 18G25text