#15470: reduce() on QQ(x) doesn't know how to factor out integers
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Reporter: darij | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: algebra | Resolution:
Keywords: fraction field, rational | Merged in:
functions, reduce | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: |
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Comment (by jdemeyer):
I remember somebody once suggesting a `_reduce_projective()` method (or
whatever you want to call it) on a ring which would take any tuple `(a_1,
..., a_n)` and return a "simplified" tuple `(u a_1, ..., u a_n)` for a
suitable invertible element `u`. I think that's how this should be
implemented.
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Ticket URL: <http://trac.sagemath.org/ticket/15470#comment:1>
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