The generalized Cantor function Ѳϒ has a derivative equal to 1/(1 — γ) at almost every point in the set Cγ. This was established by Darst [1] who then posed the problem of characterizing those points ...
https://doi.org/10.4169/college.math.j.45.1.054 https://www.jstor.org/stable/10.4169/college.math.j.45.1.054 Summary We present a result of Rosenthal, which shows ...