#18264: make map_coefficients in modules_with_basis safer or more general
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Reporter: mantepse | Owner:
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-6.7
Component: algebra | Resolution:
Keywords: map_coefficients, | Merged in:
modules_with_basis, base_ring, | Reviewers: Nicolas M. Thiéry
check arguments | Work issues:
Authors: Martin Rubey | Commit:
Report Upstream: N/A | 3a7761e95b8ca8b83e08635828a3754d751fe918
Branch: | Stopgaps:
u/mantepse/make_map_coefficients_in_modules_with_basis_safer_or_more_general|
Dependencies: |
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Comment (by zabrocki):
Darij put some effort into making sure that `ncsf` and `qsym` worked over
the integers in obvious ways. I believe that this involved a lot of
workarounds.
I am concerned about the conflicts with macdonald.py. I want to check
those out carefully because we are in the process of fine tuning that code
in #18194
IMO: I think that if you want to allow factor coefficients then the answer
to your question is 3) you shouldn't expect anything...
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Ticket URL: <http://trac.sagemath.org/ticket/18264#comment:18>
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