#15614: Update Cremona's table of elliptic curves to 320000
-------------------------------------+-------------------------------------
Reporter: cremona | Owner: cremona
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.1
Component: packages: | Resolution:
optional | Merged in:
Keywords: elliptic curve | Reviewers: Jeroen Demeyer
database | Work issues:
Authors: John Cremona | Commit:
Report Upstream: N/A | 0d128a3b8bbda8e5a5d9f3e006591c6a20cbb45a
Branch: | Stopgaps:
u/cremona/ticket/15614a |
Dependencies: #15556 |
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Comment (by jdemeyer):
John, I am preparing a small reviewer patch (mostly fixing some
documentation).
However, I noticed the following in `src/sage/databases/cremona.py`:
{{{
EXAMPLES::
sage: c = CremonaDatabase()
sage: c.elliptic_curve_from_ainvs([0, -1, 1, -10, -20])
Elliptic Curve defined by y^2 + y = x^3 - x^2 - 10*x - 20 over
Rational Field
sage: c.elliptic_curve_from_ainvs([1, 0, 0, -101, 382]) #
optional - database_cremona_ellcurve
Elliptic Curve defined by y^2 + x*y = x^3 - 101*x + 382 over
Rational Field
Old (pre-2006) Cremona labels are not allowed::
sage: c.elliptic_curve('9450KKKK1')
Elliptic Curve defined by y^2 + x*y + y = x^3 - x^2 - 5*x + 7
over Rational Field
}}}
Is the "not allowed" simply a typo for "allowed" or is something deeper
going on?
--
Ticket URL: <http://trac.sagemath.org/ticket/15614#comment:22>
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