Ask sage to produce the exceptional curves on a surface

asked 2020-01-15 23:37:41 +0200

seagriffin gravatar image

I have a surface (actually, a hypersurface) in projective space defined explicitly by a homogeneous equation, for the time being over a finite field. Is there any way to ask Sage to produce all the exceptional curves on this surface, or at least tell me how many there are?

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Do you know any algorithm for this computation?

rburing gravatar imagerburing ( 2020-01-16 01:41:26 +0200 )edit