2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/159232We discuss a structural approach to subset-sum problems in additive combinatorics. The core of this approach are Freiman-type structural theorems, many of which will be presented through the paper. These results have applications in various areas, such as number theory, combinatorics and mathematical physics.Combinatorics11P70, 05D99text