#7262: Have multiplcation_by_m() return an EllipticCurveIsogeny object
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Reporter: wuthrich | Owner: davidloeffler
Type: defect | Status: new
Priority: minor | Milestone: sage-4.2
Component: elliptic curves | Keywords: elliptic curves, isogeny,
Work_issues: | Author:
Reviewer: | Merged:
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Currently sage returns a pair of rational functions when asked
{{{
E = EllipticCurve('11a1')
E.multiplication_by_n(7)
}}}
I would be better if this creates a EllipticCurveIsogeny object from E to
E.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7262>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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