Real Algebraic and Analytic Geometry |

Differentiability of Peano derivatives.

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Submission: 2005, October 24.

*Abstract:
Peano differentiability is a notion of higher order
differentiability in the ordinary sense. H. W. Oliver gave sufficient
conditions for the Peano derivative of order $m$ to be a derivative in
the ordinary sense in the case of functions of a real variable. Here we
generalize this theorem to functions of several variables.*

Mathematics Subject Classification (2000): 26B05.

Keywords and Phrases: real Analysis, functions of several variables, Peano differentiability.

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