Problem 3. Let Cξ and Cν be two Cantor sets (constructed in previous HW ). Show...

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Advance Math

Problem 3. Let Cξ and Cν be two Cantorsets (constructed in previous HW ). Show that there exist afunction F : [0, 1] → [0, 1] with the following properties

(a) F is continuous and bijective.

(b)F is monotonically increasing.

(c) F maps Cξ surjectively onto Cν.

(d) Now give an example of a measurable function f and acontinuous function Φ so that f ◦ Φ is non-measurable. One may usefunction F constructed above (BUT YOU NEED TO PLAY WITH IT). One ofthe ideas is to take two measurable sets C1 andC2 such that m(C1) > 0 butm(C2) = 0 and function Φ : C1 →C2, continuous. Also take N ⊂ C1 -non-measurable set and define f = χΦ(N) .

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