id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,merged,author,reviewer,upstream,work_issues,branch,commit,dependencies,stopgaps
10888,problem in evaluation dual isogeny,wuthrich,cremona,"The following bug was reported by J. Gillibert.
{{{
sage: K. = NumberField(x^2+3)
sage: E = EllipticCurve(K,[7,0])
sage: phi = E.isogeny(E(0,0))
sage: P = E(-3,4*th)
sage: phi(P)
(-16/3 : 8/9*th : 1)
sage: Q = phi(P)
sage: phihat = phi.dual()
sage: phihat(Q)
}}}
This gives back a
{{{
TypeError:
}}}
",defect,closed,major,sage-4.7.1,elliptic curves,fixed,"isogenies,",,sage-4.7.1.alpha0,Chris Wuthrich,"Luca De Feo, John Cremona",N/A,,,,,