2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62393With the help of Kirchberg's and Selberg's theorems, we prove that the minimal tensor product of $B(H)$ with itself does not have the WEP (weak expectation property) of Lance.The same results with better presentationOperator AlgebrasFunctional Analysis46L05, 46L06An Application of Expanders to $B(H) \otimes B(H)$text