#13399: Fixes to symmetric functions
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Reporter: aschilling | Owner: sage-combinat
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: combinatorics | Resolution:
Keywords: symmetric functions | Work issues:
Report Upstream: N/A | Reviewers: Mike Zabrocki
Authors: Anne Schilling | Merged in:
Dependencies: #5457 | Stopgaps:
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Changes (by zabrocki):
* status: needs_work => needs_review
Old description:
> This patch implements the HL creation operator for k-Schur functions, it
> fixes
> omega for k-Schur functions for generic t, and changes the multiplication
> for
> k-Schur functions for generic t, so that the result stays in the
> k-bounded
> subspace if possible and lifts to symmetric functions otherwise.
New description:
This patch implements the HL creation operator for k-Schur functions, it
fixes
omega for k-Schur functions for generic t, and changes the multiplication
for
k-Schur functions for generic t, so that the result stays in the k-bounded
subspace if possible and lifts to symmetric functions otherwise. A second
patch adds the coproduct function to the k-Schur and k-homogeneous bases
'''Apply''':
* [attachment:trac_13399-sf-as.patch]
* [attachment:trac_13399_coproduct_additions-mz.patch]
--
Comment:
I implemented coproduct on k-Schur functions. This required moving {{{
coproduct_by_coercion }}} to the class {{{
SymmetricFunctionAlgebra_generic }}}. Please test and review.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13399#comment:10>
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