#4541: kschur functions don't properly convert to schur's
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Reporter: jbandlow | Owner: mhansen
Type: defect | Status: new
Priority: major | Milestone: sage-3.3
Component: combinatorics | Resolution:
Keywords: symmetric functions, kschur |
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Comment (by jbandlow):
Ignore my comments above. This is maybe still a problem, but for a
different reason. The problem is that s([1,1,1,1]) doesn't live in the
space spanned by the the ks3's. So in cases like this, there are three
choices for what ks3(f) should do (f symmetric, but not in the span of the
ks3's):
1) Throw an error[[BR]]
2) Project f to the ks3's and return that answer. This is the current
behavior.[[BR]]
3) Do (2) but warn the user about it.
I'd vote for (1), but I'll see what sage-combinat-devel has to say first.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4541#comment:1>
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