Mathematische Zeitschrift

, Volume 124, Issue 1, pp 20–22 | Cite as

The stufe of number fields

  • Ian G. Connell


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    Cassels, J.W.S., Fröhlich, A. (Editors): Algebraic number theory. London: Academic Press 1967.Google Scholar
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    — Chowla, S.: Determination of the stufe of certain cyclotomic fields. J. Number Theory2, 271–272 (1970).Google Scholar
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    Kneser, H.: Verschwindende Quadratsummen in Körpern. J.-ber. Deutsch. Math.-Verein.44, 143–146 (1934).Google Scholar
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    Pfister, A.: Zur Darstellung von −1 als Summe von Quadraten in einem Körper. J. London Math. Soc.40, 159–165 (1965).Google Scholar
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    Siegel, C.: Darstellung total positiver Zahlen durch Quadrate. Math. Z.11, 246–275 (1921).Google Scholar

Copyright information

© Springer-Verlag 1972

Authors and Affiliations

  • Ian G. Connell
    • 1
  1. 1.Department of MathematicsMcGill UniversityMontrealCanada

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