2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77983This is the fourth installment of a series. The main point of the entire series is the following: given a triangulated category T, it is possible to attach to it a K-theory space.94 pagesCategory TheoryK-Theory for Triangulated Categories III(A): The Theorem of the Hearttext