@techreport{d5a220d9dfaa491baf6d645bbfedd8cf,

title = "A rigid hyperfinite type $\mathrm{II}_1$ factor",

abstract = "We show that it is relatively consistent with ZFC that there exists a hyperfinite type $\mathrm{II}_1$-factor of density character $\aleph_1$ which is not isomorphic to its opposite, does not have any outer automorphisms, and has trivial fundamental group.",

keywords = "Mathematics - Operator Algebras, Mathematics - Logic",

author = "Ilijas Farah and Ilan Hirshberg",

year = "2019",

language = "אנגלית",

series = "Arxiv preprint",

edition = "arXiv:1912.12727",

type = "WorkingPaper",

}