#11231: Sparse and dense polynomials hash differently, but are equal.
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Reporter: robertwb | Owner: jason
Type: defect | Status: new
Priority: major | Milestone:
Component: misc | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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{{{
sage: R = PolynomialRing(ZZ, 'x', sparse=False)
sage: S = PolynomialRing(ZZ, 'x', sparse=True)
sage: R
Univariate Polynomial Ring in x over Integer Ring
sage: S
Sparse Univariate Polynomial Ring in x over Integer Ring
sage: R == S
True
sage: hash(R) == hash(S)
False
}}}
It's unclear what equality really means here...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11231>
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