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Extensions de jets dans des intersections de classes non quasi-analytiques

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Beaugendre P.

Annales Polonici Mathematici

2001

tom 76

nr 3

213-243

In [3], J. Chaumat and A.-M. Chollet prove, among other things, a Whitney extension theorem, for jets on a compact subset E of ℝⁿ, in the case of intersections of non-quasi-analytic classes with moderate growth and a Łojasiewicz theorem in the regular situation. These intersections are included in the intersection of Gevrey classes. Here we prove an extension theorem in the case of more general intersections such that every $C^{∞}$-Whitney jet belongs to one of them. We also prove a linear extension theorem in the case of a compact set with Markov's property. These extensions of jets can be chosen to be real-analytic on ℝⁿ∖E. Then we prove a Łojasiewicz theorem.

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1 Annales Polonici Mathematici

1 Beaugendre P.

1 2001

Wyniki wyszukiwania

Extensions de jets dans des intersections de classes non quasi-analytiques