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Resumen de Analytic extension of ultradifferentiable Whitney jets

Manuel Valdivia Ureña Árbol académico, Jean Schmets Árbol académico

  • Let $\omega$ be a weight and $F$ be a closed proper subset of $\mathbb{R}^n$. Then for every function $f$ on $\mathbb{R}^n$ belonging to the non quasi-analytic ($\omega$)-class of Beurling (resp. Roumieu) type, there is an element $g$ of the same class which is analytic on $\mathbb{R}^n \setminus F$ and such that $D^\alpha f(x) = D^\alpha g(x)$ for every $\alpha\in\mathbb{N}^n_0$ and $x\in F$.


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