W. Rudin's research while affiliated with New York State and other places

Citations

... We now show that (UQD, ∂) is a principal PSL(2, R)-bundle over QC + . First recall from Theorem 14.19 of [25] and the subsequent remark that every α ∈ UQD extends to a homeomorphism α : H → α(H). In fact, since ∂α is a quasicircle, we have the following stronger result. ...