QuarticSurfaceRational -- type of HashTable
Description
QuarticSurfaceRational is a type of HashTable storing information about a rational quartic surface with a double line in P^3. The keys of a QuadricSurface are: IntersectionPairing, HyperplaneClass, CanonicalClass, Ideal, BlowUpPoints, MapToP3.
Methods that use an object of class QuarticSurfaceRational :
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divisor(List,QuarticSurfaceRational) -- see divisor -- creates a Divisor
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ideal(QuarticSurfaceRational) -- see ideal(QuadricSurface) -- extracts the ideal of a surface
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net(QuarticSurfaceRational) -- displays the ideal of the QuarticSurfaceRational
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smoothDivisors(ZZ,QuarticSurfaceRational) -- see smoothDivisors -- produces a list of smooth divisors of a given degree on a surface