#15536: Implement symplectic and orthogonal bases of Sym
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.10
Component: combinatorics | Resolution:
Keywords: days54, sym | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/combinat/sf/sp_orth | 8e690e2a13b8c266f0d6a46c7c9b01a01aa48933
Dependencies: #17096 | Stopgaps:
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Comment (by tscrim):
The `NCSymD` is caused by this part of the `__init__`:
{{{
Sym = SymmetricFunctions(self.base_ring())
Sym_h_to_w = Sym.h().module_morphism(w.sum_of_partitions,
triangular='lower',
inverse_on_support=w._set_par_to_par,
codomain=w,
category=category)
}}}
Ah...`QSym` fails for the same reason...
I think they all will need this hack for now. I know this is pushing the
problem further down, but I don't know of a way to resolve it at present
(or at least without forcing a prime check for finite rings).
Although there is the issue on comment:45 that is likely unrelated and
needs a fix at some point too... I think there might be some issue(s) with
join categories...
I also have been working on #19397 under the assumption that these are the
same problem. However I am pretty sure this is not the case now and they
are different problems (I would love to be wrong).
--
Ticket URL: <http://trac.sagemath.org/ticket/15536#comment:52>
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