#16806: Isogeny Bounds for Elliptic Curves over Number Fields
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Reporter: elarson3 | Owner:
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-feature
Component: elliptic curves | Resolution:
Keywords: | Merged in:
Authors: Eric Larson | Reviewers: John Cremona
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/cremona/ticket/16806 | 828ed6fee261a575c27e996d84c11c2bc7dabac0
Dependencies: | Stopgaps:
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Comment (by wuthrich):
A few comments:
* The docstring of the main function reads ""Returns a list of primes `p`
including all primes for which the mod-`p` representation might not be
contained in a Borel."" Isn't it the complement, i.e., all those that "may
be contained in a Borel" ?
* I thought "try: ... except {{{ValueError}}}: return [0]" is not what
we should do. If the long and convoluted line in try produces a
{{{ValueError}}}, that could have many reasons, and we should not just
ignore this and send back [0] but pass the error on.
* It is a shame that this function will not be available for curves over
Q. But I guess it should be a separate ticket to merge the two classes
dealing with Galois Reps together at some point.
--
Ticket URL: <http://trac.sagemath.org/ticket/16806#comment:14>
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