#19375: cartesian product of modules over different base rings
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Reporter: dkrenn | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.9
Component: categories | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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We have
{{{
sage: E = CombinatorialFreeModule(ZZ, [1,2])
sage: F = CombinatorialFreeModule(QQ, ['a', 'b'])
sage: cartesian_product([E, F])
Traceback (most recent call last):
...
AttributeError: 'CommutativeAdditiveGroups.CartesianProducts_with_c'
object has no attribute 'FiniteDimensional'
}}}
The error message does not say what is going on.
See also the comments on #18182, comment 20, 1.
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Ticket URL: <http://trac.sagemath.org/ticket/19375>
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