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On Questions of Reality for Twisted Quartics of the First Kind

Published online by Cambridge University Press:  24 October 2008

Patrick Du Val
Affiliation:
Trinity College

Extract

By a twisted quartic of the first kind is intended the curve in space of three dimensions defined by two quadratic equations, i.e. the complete intersection of two quadric surfaces. If this intersection consist of the aggregate of two or more curves of lower order than the fourth, it will be called a degenerate quartic. In general, a twisted quartic of the first kind will be referred to for brevity as a quartic.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1928

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