2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/139421A complete structure theorem of Sally modules of $\fkm$-primary ideals $I$ in a Cohen-Macaulay local ring $(A, \m)$ satisfying the equality $\e_1(I)=\e_0(I)-\ell_A(A/I)+1$ is given, where $\e_0(I)$ and $\e_1(I)$ denote the first two Hilbert coefficients of $I$.16 pagesCommutative AlgebraAlgebraic Geometry13H10, 13B22, 13H15text