Quippian

In mathematics, a quippian is a degree 5 class 3 contravariant of a plane cubic introduced by Cayley (1857) and discussed by Dolgachev (2012, p.157). In the same paper Cayley also introduced another similar invariant that he called the pippian, now called the Cayleyan.

单词	Quippian
释义	Quippian 英语百科 Quippian In mathematics, a quippian is a degree 5 class 3 contravariant of a plane cubic introduced by Cayley (1857) and discussed by Dolgachev (2012, p.157). In the same paper Cayley also introduced another similar invariant that he called the pippian, now called the Cayleyan.
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