#18447: Implement dual-quasi-Schur basis in NCSF
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Reporter: zabrocki | Owner:
Type: enhancement | Status: new
Priority: minor | Milestone: sage-6.7
Component: combinatorics | Resolution:
Keywords: ncsf, qsym, | Merged in:
quasiSchur | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | f72162f88f3b165634c5008754e393c1d36c81f0
public/combinat/zabrocki/ncsf_quasi_schur_basis/18447| Stopgaps:
Dependencies: #18415 |
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Comment (by zabrocki):
This last commit makes the basis change from the complete basis rather
than the ribbon basis using the new `number_of_SSRCT` method. My speed
test for this change was
{{{timeit('dQS[1,2,1]*dQS[2,2]',number=1,repeat=1)}}}
On commit 8cbcc9b it takes about 45 seconds and on commit f72162f it takes
a little more than 1 second.
I think that what this means is that the Quasisymmetric_Schur basis should
use a similar expansion using the monomial basis rather than the
fundamental basis.
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Ticket URL: <http://trac.sagemath.org/ticket/18447#comment:6>
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