#9093: is_square broken for constant polynomials
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Reporter: robertwb | Owner: AlexGhitza
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-4.4.3
Component: algebra | Keywords:
Author: Robert Bradshaw | Upstream: N/A
Reviewer: John Cremona, Barinder Banwait | Merged:
Work_issues: |
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Comment(by cremona):
My point was that in ZZ[X], as opposed to QQ[X], 100 is *not* a unit
factor so should be included in the squarefree factorization. It would
have to be done differently, of course (and Integers don't have a
squarefree_decomposition method, presumably because over ZZ there is no
known algorithm which avoids factoring).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9093#comment:5>
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