Rational function parametric representations



Thanks for the book reference. For 2*x^4-3*x^2*y+y^4-2*y^3+y^2 = 0, Maple 
paramtrized 
the curve with radicals, not a rational expression. But I know little 
about Maple.

Barton

reyssat <eric.reyssat at math.unicaen.fr> wrote on 09/22/2009 03:39:49 PM:

> [image removed] 
> 
> Re: [Maxima] Rational function parametric representations
> 
> reyssat 
> 
> to:
> 
> Barton Willis
 
> Maybe this book gives what you're looking for :
> http://www.springer.com/math/algebra/book/978-3-540-73724-7

> Does Maple solve for instance the case of the tacnode curve 
> 2*x^4-3*x^2*y+y^4-2*y^3+y^2 given in Winkler's article above ? This 
> curve has two singularities.
> 
> Eric Reyssat