#20003: Incorrect output of squarefree_decomposition for polynomials over finite
fields
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Reporter: lackermans | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.1
Component: factorization | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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When using squarefree_decomposition on linear polynomials over a finite
field, an incorrect unit part is returned.
{{{
sage: K.<x> = GF(7)[]
sage: (6*x+3).squarefree_decomposition()
(6) * (6*x + 3)
sage: (6*x+3).squarefree_decomposition().expand()
x + 4
sage: K.<x> = GF(5)[]
sage: (2*x).squarefree_decomposition()
(2) * 2*x
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20003>
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