On Closed Ideals in Smooth Classes
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Vincent Thilliez
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Article
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2001
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John Wiley and Sons
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English
โ 294 KB
We study closedness properties of ideals generated by real - analytic functions in some subrings \(\mathcal{C}\) of \(C^{\infty}(\Omega)\), where \(\Omega\) is an open subset of \(\mathbb{R}^{n}\). In contrast with the case \(\mathcal{C}=C^{\infty}(\Omega)\), which has been clarified by famous works