#18750: Make sure indices converted into the index set of the basis for a
CombinatorialFreeModule
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Reporter: tscrim | Owner: sage-combinat
Type: defect | Status: new
Priority: major | Milestone: sage-6.8
Component: combinatorics | Keywords: combinatorial free module
Merged in: | Authors: Travis Scrimshaw
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The following is unexpected:
{{{
sage: s = SymmetricFunctions(QQ).s()
sage: s.basis()[(3,1,1)]
s(3, 1, 1)
sage: type(_.support()[0])
<type 'tuple'>
sage: s.basis()[(3,1,1)]
s(3, 1, 1)
}}}
We should make sure that we always have the support of an element of the
indexing set for a `CombinatorialFreeModule`.
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Ticket URL: <http://trac.sagemath.org/ticket/18750>
Sage <http://www.sagemath.org>
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