#20451: error in projective canonical height
----------------------------------+----------------------------
Reporter: bhutz | Owner: bhutz
Type: defect | Status: new
Priority: minor | Milestone: sage-7.2
Component: algebraic geometry | Keywords:
Merged in: | Authors: Ben Hutz
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
----------------------------------+----------------------------
The error bound for canonical height is not working in all cases.
{{{
PS.<x,y>=ProjectiveSpace(1,QQ)
H=Hom(PS,PS)
f=H([16*x^2 -29*y^2,16*y^2]) #Poonen 3-cycle
Q=PS([-1/4,1])
Q.is_preperiodic(f)
}}}
is using error_bound = 0.01 and getting an error larger than 0.01
--
Ticket URL: <http://trac.sagemath.org/ticket/20451>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
