Bill Allombert on Mon, 09 May 2005 20:59:33 +0200

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Re: Proposed elldata database at the PARI workshop

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()

Thanks for your suggestion!