The Calkin algebra is $\aleph_1
https://ift.tt/eA8V8J
Title: The Calkin algebra is $\aleph_1$-universal. Authors: Farah, Ilijas; Hirshberg, Ilan; Vignati, Alessandro. Publication: eprint arXiv:1707.01782.
from Algebra
Title: The Calkin algebra is $\aleph_1$-universal. Authors: Farah, Ilijas; Hirshberg, Ilan; Vignati, Alessandro. Publication: eprint arXiv:1707.01782.
from Algebra