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A Quartic with 28 Real Bitangents

Published online by Cambridge University Press:  20 November 2018

R. Blum  and
A. P. Guinand
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According to Pluecker's equations a plane quartic can have at most 28 bitangents. These can be all real as has been shown by Pluecker himself with the help of the example (see [l]):

Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 7 , Issue 3 , September 1964 , pp. 399 - 404
Copyright
Copyright © Canadian Mathematical Society 1964

References

1. Salmon, George, Higher plane curves, Dublin, 1879, p.219.Google Scholar