#17433: projective point equality fails for quoteitn base rings
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Reporter: bhutz | Owner: bhutz
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: algebraic geometry | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Since the coordinates of the points are lifted, the current equality check
fails to detect equality over quotient rings. The comparisons need to be
done in the base ring.
{{{
P.<x,y>=ProjectiveSpace(Zmod(10),1)
p1=P(1/3,1)
p2=P.point([1,3],False)
p1==p2
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17433>
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