The Takagi Function and Its Properties
Article by Jeffrey C. Lagarias
In collections: Easily explained, Fun maths facts
The Takagi function is a continuous non-differentiable function on [0,1] introduced by Teiji Takagi in 1903. It has since appeared in a surprising number of different mathematical contexts, including mathematical analysis, probability theory and number theory. This paper surveys the...
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@esoterica There is a very strong visual resemblance between the figures of the function in this survey (e.g. Fig.3) and the figures in Mallows' paper on Conway's $10,000 sequence, (e.g. Fig.1), but little or no overlap in references. Maybe someone knows of an explanation for the similarity?

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