Cubic
with an 
double
point
- This surface is an example of cubic surfaces with finitely many singularities.
Cubic
with an 
double
point
- This surface is an example of cubic surfaces with finitely many singularities.
Chebsch
diagonal surface
- The surface is the smooth cubic surface given by the equations
-
Kummer
surface with 8 real double points
- Kummer surface is the surface of degree 4 in complex projective space
which has 16 double points .
Kummer
surface with 4 real double points
- Kummer surface is the surface of degree 4 in complex projective space
which has 16 double points .