Measurable functions - math.ucdavis.edu
32CHAPTER 3Measurable functionsMeasurable functions in measure theory are analogous to continuous functionsin topology. A continuous function pulls back open sets to open sets, while ameasurable function pulls back Measurable sets to Measurable MeasurabilityMost of the theory of Measurable functions and integration does not dependon the specific features of the measure space on which the functions are defined, sowe consider general spaces, although one should keep in mind the case of functionsdefined onRorRnequipped with Lebesgue (X,A) and (Y,B) be Measurable spaces.
explicit representation of sets in a ˙-algebra. For example, the proof does not characterize M, which may be strictly larger than B. If the target space Y is a topological space, then we always equip it with the Borel ˙-algebra B(Y) generated by the …
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