#8810: Implementation of Stanley symmetric functions
-------------------------------------------------------------+--------------
Reporter: aschilling | Owner:
sage-combinat
Type: enhancement | Status:
needs_work
Priority: major | Milestone:
Component: combinatorics | Keywords:
Author: Steve Pon, Anne Schilling, Nicolas M. Thiéry | Upstream:
N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by jbandlow):
Another point--I'm concerned about the following doctest in
`stanley_symmetric_function_as_polynomial`:
{{{
sage: W = WeylGroup(['B',3,1])
sage:
W.from_reduced_word([3,2,1]).stanley_symmetric_function_as_polynomial()
2.0*x1^3 + x1*x2 + 0.5*x3
}}}
The coefficients should be in QQ, I think. Probably you can replace
{{{ return sum(...) }}} with {{{ return R(sum( ... )) }}}.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8810#comment:5>
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