#17535: Homogenize failes for affine space over function fields
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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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The following code fails
{{{
K.<c> = FunctionField(QQ)
A.<x> = AffineSpace(K,1)
f = Hom(A,A)([x^2 + c])
f.homogenize(1)
}}}
The issue appear to be that the the LCM of the denominators is the integer
1 in this example, so the substitution fails. Coercing that LCM into the
base ring fixes at least this particular example. More testing is needed
to determine if there are any other issues with function fields.
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Ticket URL: <http://trac.sagemath.org/ticket/17535>
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