2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/220691We prove that there exist Banach spaces not containing $\ell_1$, failing the point of continuity property and satisfying that every semi-normalized basic sequence has a boundedly complete basic subsequence. This answers in the negative the problem of the Remark 2 in H. P. Rosenthal. "Boundedly complete weak-Cauchy sequences in Banach spaces with PCP." J. Funct. Anal. 253 (2007) 772-781.Functional Analysis46B20; 46B22Banach spaces with many boundedly complete basic sequences failing PCPtext