Smoothness From Finite Points

DOI10.2307/2324032zbMath0738.26007OpenAlexW1996440815MaRDI QIDQ3984346

Victor Neves

Publication date: 27 June 1992

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2324032

zbMATH Keywords

derivativegradientnonstandard analysisinfinitesimal analysisdifferentiability of a real function of two variables

Mathematics Subject Classification ID

Continuity and differentiation questions (26B05) Nonstandard analysis (26E35)

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