#13968: BooleanPolynomialSequence.eliminate_linear_variables leaves some linear
equations in corner cases
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Reporter: Bouillaguet | Owner: malb
Type: defect | Status: new
Priority: major | Milestone: sage-5.7
Component: commutative algebra | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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{{{
sage: R.<x,y,z> = BooleanPolynomialRing()
sage: S = Sequence([x*y*z+x*y+z*y+x*z, x+y+z+1, x+y])
sage: S.eliminate_linear_variables(return_reductors=True)
[z + 1], [x + y + z + 1])
}}}
Obviously, the first part is linear, and it shouldn't. The result should
have been:
{{{
( [], [z + 1, x + y] )
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13968>
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