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Generalization of Lagrange's theorem. - MaRDI portal

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Generalization of Lagrange's theorem. (Q1449830)

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scientific article; zbMATH DE number 2585735
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English
Generalization of Lagrange's theorem.
scientific article; zbMATH DE number 2585735

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    Generalization of Lagrange's theorem. (English)
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    1926
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    Verf. verallgemeinert den \textit{Lagrange}schen Satz, der aussagt, daß eine rationale Funktion \(\varPhi(x_1, x_2, \ldots, x_n)\) darstellbar ist als rationale Funktion von \(\varPsi(x_1, x_2, \ldots, x_n)\) und den elementarsymmetrischen Funktionen, wenn die Gruppe der Symmetrien von \(\varPsi\) eine Untergruppe derjenigen von \(\varPhi\) ist. Er beweist nämlich einen analogen Satz für Funktionen von \(n\) Systemen von je \(m\) Veränderlichen, wenn diese Systeme permutiert werden.
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