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kGonalNodalCurves :: scrollType

scrollType -- determines the type of the scroll

Synopsis

Description

Constructs a special pencil on a g-nodal canonical curve and computes the type of the scroll swept out by the special pencil. The method used for the computation is based on the article Syzygies of Canonical Curves and Special Linear Series.

i1 : (k,g,n)=(5,13,1000)

o1 = (5, 13, 1000)

o1 : Sequence
i2 : time scrollType(k,g,n)
     -- used 2.20745 seconds

o2 = {3, 2, 2, 2}

o2 : List

Ways to use scrollType :

  • scrollType(ZZ,ZZ,ZZ)