Re: [sage-support] Elliptic curves over non-fields

2010-05-04 Thread Jeroen Demeyer
On 2010-05-03 16:46, Mike Hansen wrote: > Hello, > > On Mon, May 3, 2010 at 1:34 AM, Jeroen Demeyer wrote: >> I wonder if there is a way to make Sage compute with points on elliptic >> curves over rings which are not fields. I would like to use it for a >> very simple implementation of the ECM f

Re: [sage-support] Elliptic curves over non-fields

2010-05-03 Thread Mike Hansen
Hello, On Mon, May 3, 2010 at 1:34 AM, Jeroen Demeyer wrote: > I wonder if there is a way to make Sage compute with points on elliptic > curves over rings which are not fields.  I would like to use it for a > very simple implementation of the ECM factoring algorithm for > educational purposes.  T

[sage-support] Elliptic curves over non-fields

2010-05-03 Thread Jeroen Demeyer
Hello sage-support, I wonder if there is a way to make Sage compute with points on elliptic curves over rings which are not fields. I would like to use it for a very simple implementation of the ECM factoring algorithm for educational purposes. The obvious doesn't work: