When is a \(C^{\infty}\) function analytic? (Q916939)
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scientific article; zbMATH DE number 4155124
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | When is a \(C^{\infty}\) function analytic? |
scientific article; zbMATH DE number 4155124 |
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When is a \(C^{\infty}\) function analytic? (English)
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1989
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In this beautifully written short note the author discusses a theorem of Pringsheim concerning analyticity of a \(C^{\infty}\)-function. Pringsheim's proof containing an error is presented and a correct proof is indicated. Some interesting further developments are discussed.
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analyticity of a \(C^{\infty }\)-function
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