Thank you. magma found parametrization too, so the problem is in sage/singular. (probably you mean "genus zero", not one).
On Mon, Oct 01, 2012 at 06:23:04AM -0700, luisfe wrote: > Maple agrees with magma here and says that the genus is one. Moreover, it > computes a parametrization of the curve > > sage: P=(((v + 2)*x^10 + (v - 2))/x^5, ((1/2*v - 3/2))/x^3) > sage: p(x=P[0],y=P[1]) > 0 > > > The problem seems to be in singular. > > sage: I = Ideal(p) > sage: I.genus() > 10 > > If one looks at the documentation, p.geometric_genus?? it is said that it > only works for prime fields. The documentation could be clearer for genus > and I think that the method should raise an exception instead of giving a > wrong answer. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en.
