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On complex numbers formed from \(n\) principal units - MaRDI portal

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On complex numbers formed from \(n\) principal units (Q1531818)

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scientific article; zbMATH DE number 2687154
Language Label Description Also known as
English
On complex numbers formed from \(n\) principal units
scientific article; zbMATH DE number 2687154

    Statements

    On complex numbers formed from \(n\) principal units (English)
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    1891
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    Es handelt sich um den von Hrn. Weierstrass herrührenden Satz: ``In einem aus einer ungeraden Anzahl von (mit gewissen Grundeigenschaften begabten) Haupteinheiten gebildeten complexen Zahlensysteme ist die Quadratwurzel aus dem negativ genommenen Modul der Multiplication nicht vorhanden''. Der hier mitgeteilte einfache Beweis benützt nur das Multiplicationstheorem der Determinanten. Das Ergebnis fliesst daraus, dass eine gewisse Determinante im vorliegenden Falle nur negativ sein kann. Der innere Grund für den in Rede stehenden Satz liegt lediglich im Associationsprincip.
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    principal unit
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    complex algebraic numbers
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    Weierstrass's theorem
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    determinants
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