#12768: Better plotting for isogeny graphs of elliptic curves, and handling of
LMFDB labels
--------------------------------------------+-------------------------------
Reporter: roed | Owner: cremona
Type: enhancement | Status: positive_review
Priority: minor | Milestone: sage-5.2
Component: elliptic curves | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: John Cremona,
Volker Braun
Authors: David Roe, John Palmieri | Merged in:
Dependencies: #12769, #13109 | Stopgaps:
--------------------------------------------+-------------------------------
Old description:
> There are only 17 different possible isogeny graphs for elliptic curves
> over Q. It would be nice if the isogeny graph was laid out in the same
> way each time, and if the labels corresponded to the Cremona labels of
> the curves in the isogeny class.
>
> The second major topic handled by this ticket is to implement handling of
> LMFDB labels for elliptic curves as well as Cremona labels, and the
> conversions between these. the third is a new class for isogeny classes
> of elliptic curves over Q.
>
> Apply: 12768.patch, 12768-review.patch, trac_12768-rebase-to-13109.patch
New description:
There are only 17 different possible isogeny graphs for elliptic curves
over Q. It would be nice if the isogeny graph was laid out in the same
way each time, and if the labels corresponded to the Cremona labels of the
curves in the isogeny class.
The second major topic handled by this ticket is to implement handling of
LMFDB labels for elliptic curves as well as Cremona labels, and the
conversions between these. the third is a new class for isogeny classes
of elliptic curves over Q.
Apply: [attachment:12768.patch], [attachment:12768-review.patch],
[attachment:trac_12768-rebase-to-13109.patch]
--
Comment (by jhpalmieri):
Should I add a doctest for the deprecation? The 'v2' patch does that, so
if you want to use that instead, change the ticket description
accordingly.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12768#comment:18>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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