Cubic surface with rational double points
Description:
An example of a cubic surface with singularities. Eight lines on the cubic surface are shown. On a nonsingular cubic surface, there are always 27 lines. (Image courtesy of Dr. Oliver Labs and Prof. Duco van Straten, Cubics.AlgebraicSurface.net)
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Cubic surface with rational double points
Alt text:
cubic surface with rational double points
Caption:
An example of a cubic surface with singularities. Eight lines on the cubic surface are shown. On a nonsingular cubic surface, there are always 27 lines. (Image courtesy of Dr. Oliver Labs and Prof. Duco van Straten.)
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