#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 bump):
The improvement in timing is minor for many tasks, and {{{sage -t --long
weyl_characters.py}}} only comes in a few seconds faster. But for tensor
product decompositions where the first factor is smaller than the other,
the improvement is big, as Anne's tests show. One can get up to the 12th
or 13th tensor product of the spin representation of spin=B4(0,0,0,1),
which was previously hopeless.
I took Anne's doc comment into account and reposted the patch.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13391#comment:5>
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