Measurable weak sections
Gerald A. Edgar · Illinois Journal of Mathematics · 1976
the canonical projection.If R T' and u(R) S, then a selection for R is a function q: S T such that (s, q(s)) R for all s e S. A uniformization for R is a set R' R such that u-l(s) c R' consists of exactly one point for each s e S. If no measurability is involved, then the problems are related as follows.