#7839: Failure to coerce q^(-1) into its own LaurentPolynomialRing
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Reporter: bump | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.1
Component: algebra | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
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Consider:
{{{
sage: P.<q> = LaurentPolynomialRing(QQ)
sage: q in P
True
sage: P(q)
q
sage: q^(-1) in P
True
sage: P(q^(-1))
}}}
The last statement raises an exception.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7839>
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