On approximate derivatives and Krzyzewski-Foran lemma.

DOI10.14321/REALANALEXCH.28.1.0181zbMath1059.26004OpenAlexW1530852303MaRDI QIDQ595859

D. N. Sarkhel

Publication date: 6 August 2004

Published in: Real Analysis Exchange (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14321/realanalexch.28.1.0181

zbMATH Keywords

chain ruleapproximate derivatives

Mathematics Subject Classification ID

Differentiation (real functions of one variable): general theory, generalized derivatives, mean value theorems (26A24) Measurable and nonmeasurable functions, sequences of measurable functions, modes of convergence (28A20) Monotonic functions, generalizations (26A48) Absolutely continuous real functions in one variable (26A46)

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