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Ueber Fusspunkts-Curven und -Flächen, Normalen und Normalebenen

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References

  1. Cremona, Curve piane N. 87.

  2. Philosophical Transactions, Jan. 1869, S. 203.

  3. Cremona, Teoria delle superficie Nr. 13.

  4. Ist die CurveC rational, ihr Geschlecht also 0, und hat sie β Rückkehrpunkte, so ist ϱ=2(ν−1)−β, μ+θ=3(ν−2)−2β; folglich μ′=3ν−2−β, ϱ′=6(ν−1)−2β; was für β=0 mit Herrn Em. Weyr's Angabe stimmt. Journ. f. Math. Bd. 74 S. 277.

  5. Salmon-Fiedler, aual. Geom. des Raumes II S. 108; Cremona, Teoria delle superficie Nr. 96.

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  1. Darmstadt

    R. Sturm

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  1. R. Sturm
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Sturm, R. Ueber Fusspunkts-Curven und -Flächen, Normalen und Normalebenen. Math. Ann. 6, 241–263 (1873). https://doi.org/10.1007/BF01442785

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