Cayley's ruled cubic surface

Template:Distinguish In differential geometry, Cayley's ruled cubic surface is the ruled cubic surface

$z=xy-x^3/3.$

In projective coordinates it is $z{w}^2=xyw-x^3/3$.

It contains a (double) line of self-intersection $x=w=0$and two pinch points.

External links

• Cubical ruled surface
• Template:Mathworld