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Abstract

The aim of this chapter is to discuss the problem of differentiability of the classical Riemann function

$$\displaystyle{\boldsymbol{R}(x):=\sum _{ n=1}^{\infty }\frac{\sin (\pi n^{2}x)} {n^{2}},\quad x \in \mathbb{R}.}$$

To get some feeling of the behavior of \(\boldsymbol{R}\) see Fig. 13.1.

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References

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Jarnicki, M., Pflug, P. (2015). Riemann Function. In: Continuous Nowhere Differentiable Functions. Springer Monographs in Mathematics. Springer, Cham. https://doi.org/10.1007/978-3-319-12670-8_13

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