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The Milne Quadrics of the Trinodal Cubic Surface, and the Contact Conics of the Harmonic Envelope of the Plane Trinodal Quartic

Published online by Cambridge University Press:  20 January 2009

J. Blakey
Affiliation:
Leeds University.
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There are two planes, called “parabolic planes,” through eachline on the cubic surface cutting the surface in residual conics touching the line in question at two points called the “parabolic points” of that line.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 1931

References

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page 171 note 1 Jolliffe, A. E., Proc. London Math. Soc. (2), 23 (1924), 250278.Google Scholar

page 173 note 1 Milne, W. P., Proc. London Math. Soc. (2) 24 (1925), 335338.Google Scholar

page 178 note 1 Geiser, G. P., Math. Ann. 1 (1868), 129138.CrossRefGoogle Scholar