A Continuous Function That Is Differentiable Only at the Rationals

DOI10.4169/MATH.MAG.86.2.132zbMath1293.26007OpenAlexW251200997MaRDI QIDQ2876493

Mark A. M. Lynch

Publication date: 19 August 2014

Published in: Mathematics Magazine (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4169/math.mag.86.2.132

zbMATH Keywords

differentiable only at the rationals

Mathematics Subject Classification ID

Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Differentiation (real functions of one variable): general theory, generalized derivatives, mean value theorems (26A24)

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