2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63161Given a JBW*-triple Z and a normal contractive projection P on Z, we show that the (Murray-von Neumann) type of each summand of P(Z) is dominated by the type of Z.26 pages, latex, submitted in July 2001Operator AlgebrasFunctional Analysis46L70, 46L10; 17C65, 32M15text