Bemerkungen zum Isotropen analogon der Kubik von Cazamian |
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| Authors: | Jürgen Tölke |
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| Institution: | Mathematisches Institut, Universit?t Siegen, H?lderlinstr. 3, 57068 Siegen, Deutschland, DE
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| Abstract: | The isotropic analogue of the cubic of Cazamian 2] was studied by O. R?schel 4]. We prove two additional results. These
are similar to those of H. Sachs 5] and O. R?schel 4, Theorem 4] for the isotropic ABRAMESCU-circle. We make use of the
projective differential geometry 1,3].
Received 20 November 2000. |
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| Keywords: | : Isotrope Geometrie Abramescu-Kreis isotrope Brennpunkte |
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