2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160944The present work consists of three parts. In the first one we determine the prototypes of separable Rosenthal compacta and we provide a classification theorem. The second part concerns an extension of a theorem of S. Todorcevic. The last one is devoted to applications.55 pages, no figuresGeneral TopologyLogic03E15, 05C05, 05D10, 46B03, 46B26, 54C35, 54D30, 54D55text