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Über die Volumsdeterminante. - MaRDI portal

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Über die Volumsdeterminante. (Q559490)

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scientific article; zbMATH DE number 2547055
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English
Über die Volumsdeterminante.
scientific article; zbMATH DE number 2547055

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    Über die Volumsdeterminante. (English)
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    1933
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    Bezeichnet \(r_{ik}\) den Abstand der Punkte \(P_i, P_k\) des Simplex \(P_1,P_2\), \(\dots,P_n\) im euklidischen Raum, so gilt nach \textit{Menger} für das Volumen \(V\) des Simpex die Darstellung mittels einer \((n+1)\)-reihigen Determinante \[ V^2(P_1,\dots,P_n)=\frac {(-1)^n}{2^{n-1}(n-1)!} \begin{vmatrix} 0 & 1\\ 1 & r_{ik}^2 \end{vmatrix}. \] Verf. gibt notwendige und hinreichende Bedingungen dafür an, daß\ eine nichtnegative Funktion von \(n\) Punkten bis auf einen reellen konstanten Faktor mit \(V\) übereinstimmt. (V 3.)
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