Re: Proposed elldata database at the PARI workshop

[Bill Allombert <allomber@math.u-bordeaux.fr>]

On Wed, May 04, 2005 at 11:03:34AM +0200, Jeroen Demeyer wrote:
> It would be very cool to have a "reverse lookup" feature:
> 
> Given a curve E, there should be a command ellidentify(E) giving back 
> the curve number and a matrix defining the isomorphism with the curve in 
> Cremona's list.

This is a good idea!
I think it is easy to implement with ellglobalred() and a elllist()
routine.

Thanks for your suggestion!
Bill.