#13391: WeylCharacterRing improvement
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Reporter: bump | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.3
Component: combinatorics | Resolution:
Keywords: WeylCharacterRing, Lie | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Daniel Bump | Merged in:
Dependencies: | Stopgaps:
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Comment (by aschilling):
Hi Dan,
This looks good and I am happy to give it a positive review. Here are just
some minor comments about the documentation (I think after the INPUT
variables there is supposed to be a double dash. Also for the html output
it is nicer to use `\rho` than rho for example)::
{{{
Auxiliary function for product_on_basis.
INPUT:
- ``a'' -- a weight.
Returns a pair `[\epsilon,b]` where `b` is a dominant weight and
`\epsilon` = 0,1 or -1. To describe `b`, let `w` be an element of
the Weyl group such that `w(a+\rho)` is dominant. If
`w(a+\rho)-\rho` is dominant, then `\epsilon` is the sign of
`w` and `b` is `w(a+\rho)-\rho`. Otherwise, `\epsilon` is zero.
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13391#comment:4>
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