Châtelet surface

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Some snapshots showing the real points of the Châtelet surface with P(x)=x^3-5*x^2-6*x. Axis: x=red, y=yellow, z=blue

In algebraic geometry, a Châtelet surface is a rational surface studied by Template:Harvs given by an equation

y2az2=P(x),

where P has degree 3 or 4. They are conic bundles.

References