MathGloss

Let (X,Σ,μ)(X,\Sigma, \mu) and (Y,T,ν)(Y, T, \nu) be measure spaces. A function f:XYf:X\to Y is Lusin or Luzin if the image of every set of μ\mu-measure zero has zero ν\nu-measure.

Wikidata ID: Q1361393