Cubic surface: deformation of an E6 singularity to a D5 singularity @davidamadore

Cubic surface: deformation of an E6 singularity to a D5 singularity @davidamadore

Uploaded November 2010 | Updated September 2026, 2 weeks ago

A cubic surface with an E6 singularity being deformed to one with a D5 singularity. The E6 occurs at 3ʺ and 9ʺ in the video.

From the cubic surfaces DVD, madore.org/cubic-dvd

Cubic surface: deformation of an E6 singularity to a D5 singularity

The sound of the Cantor set

Growing circles on a flat torus (square lattice)

Poinsot polhode

Deformation of a hexagon with fixed sides and angles

Cubic surface: deformation of an E6 singularity to a D5 singularity