The higher order partial derivatives of Okamoto's function with respect to the parameter

Pieter Allaart, Nathan Dalaklis, Kiko Kawamura +2

Let $\{F_a:a\in (0,1)\}$ be Okamoto's family of continuous self-affine functions, introduced in [{\em Proc. Japan Acad. Ser. A Math. Sci.} {\bf 81} (2005), no. 3, 47--50]. This fam…