#15150: Implement NCSym
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.12
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #15143 | Stopgaps:
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Comment (by zabrocki):
You are right that the fuzz is disappears by applying #15164
I get 4 doctest failures on ncsym.py. They are minor, but I don't know
why I see them and you don't (so it doesn't seem like a good idea to
change them). They are on lines 248, 438, 633, 737 and for instance one
is
{{{
File "sage/combinat/ncsym/ncsym.py", line 633, in
sage.combinat.ncsym.ncsym.SymmetricFunctionsNonCommutingVariables.elementary.Element.omega
Failed example:
elt = e[[1,3],[2]].omega(); elt
Expected:
-e{{1, 3}, {2}} + 2*e{{1}, {2}, {3}}
Got:
2*e{{1}, {2}, {3}} - e{{1, 3}, {2}}
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15150#comment:12>
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