My suggestion for such a project is:  compute all the S-integral
points on an elliptic curve (which is a finite set, for any given
finie set of primes S).  First, over Q (assume that you are given a
Mordell-Weil basis), which is also implemented in Magma.  Then, over
number fields -- not implemented anywhere which is available.

Sources: a psper of Stephens and Smart, and the Saarbruecken thesisof
E Herrmann (in German).  He is the one responsible for the Magma
implementation over Q, and he also has his own implementation over
number fields written in Simath.

John

On 19/11/2007, David Joyner <[EMAIL PROTECTED]> wrote:
>
> On Nov 19, 2007 12:21 PM, Martin Albrecht <[EMAIL PROTECTED]> wrote:
> >
> > Hi there,
> >
> > at Sage Days 6 Stefan Müller-Stach
> >
> >    http://hodge.mathematik.uni-mainz.de/~stefan/index.html
> >
> > babelfish translation:
> >
> > http://babelfish.altavista.com/babelfish/tr?lp=de_en&url=http%3A//hodge.mathematik.uni-mainz.de/%7Estefan/index.html
> >
> > asked me whether the Sage project would like to name some projects suitable
> > for a Diplomarbeit for some of his students.
> >
> > If you don't know the German system: it is safe to assume a "Diplomarbeit" 
> > is
> > like a Master's thesis (except that you usually do a Diplom before pursuing 
> > a
> > PhD). The idea is that we/you/the Sage developers name a project (in number
> > theory) which is suitable for a Diplomarbeit (i.e. challenging enough but 
> > not
> > overwhelming, timeframe: roughly a year) and Stefan tries to pass this
> > project on to one of his students.
> >
> > To me this seems like a nice way to get stuff implemented that one hardly 
> > gets
> > around to implement.
> >
> > Also, he is thinking about setting up a Sage seminar which could provide a
> > similar 'service' for Sage: i.e. Students get credits for working on Sage.
> > This would be suitable for more short term projects.
> >
> > Thoughts?
>
>
> Just to narrow things down a bit, is it fair to say that the topics
> his students
> will probably focus on would be algebraic geometry and/or algebraic number
> theory (not calculus or differential equations or something like that)?
>
> I think we are still lacking a good implementation of an algorithm computing
> Riemann-Roch spaces. I'm not sure if that is too far afield or not though...
>
>
> >
> > Martin
> >
> > PS: Stefan, I hope I represented your idea correctly.
> > --
> > name: Martin Albrecht
> > _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
> > _www: http://www.informatik.uni-bremen.de/~malb
> > _jab: [EMAIL PROTECTED]
> >
> >
> > >
> >
>
> >
>


-- 
John Cremona

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