#20214: Type inconsistencies in polynomial factorization
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Reporter: vdelecroix | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-7.1
Component: algebra | Resolution:
Keywords: | Merged in:
Authors: Benjamin Hackl | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/behackl/polynomial/unit-parent- | e7d04c28ada863dd70b254707848bb57d3e65a35
inconsistent | Stopgaps:
Dependencies: |
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Comment (by vdelecroix):
Of course. But in some cases, the units live in a well identified
subgring. And it makes sense to keep them here. For me it would still be
acceptable if the parent of the unit only had a coercion to the main ring.
But of course this should be done consistently for a given ring. Hence the
creation of this ticket.
I agree that it is much simpler to enforce the unit to belong in the same
ring (or more generally multiplicative semigroup).
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Ticket URL: <http://trac.sagemath.org/ticket/20214#comment:13>
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