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Mathematische Annalen

, Volume 154, Issue 2, pp 166–170 | Cite as

Zur Kennzeichnung der Euklidischen Norm vermöge einiger Eigenschaften der komplexen Projektionalorthogonalität

  • J. von den Steinen
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Literatur

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    Bohnenblust, F.: A characterization of complex Hilbert spaces. Portugaliae Math.3, 103–109 (1942).Google Scholar
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    Day, M. M.: Some characterizations of inner product spaces. Trans. Am. Math. Soc.62, 320–337 (1947).Google Scholar
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    Hopf, E.: Zur Kennzeichnung der Euklidischen Norm. Math. Z.72, 76–81 (1959).Google Scholar
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    James, R. C.: Inner products in normed linear spaces. Bull. Am. Math. Soc.53, 559–566 (1947).Google Scholar
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    Kakutani, Sh.: Some characterizations of abstract Euclidean space. Japan. J. Math.16, 93–97 (1939).Google Scholar
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    Ohira, K.: On some characterizations of abstract Euclidean spaces by properties of orthogonality. Kumamoto J. Sci. Ser. A1, no1, 23–26 (1952).Google Scholar

Copyright information

© Springer-Verlag 1964

Authors and Affiliations

  • J. von den Steinen
    • 1
  1. 1.Solingen

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