#11929: Implement quasi-symmetric functions
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Reporter: bruce | Owner: bruce
Type: enhancement | Status: new
Priority: minor | Milestone: sage-4.7.3
Component: combinatorics | Keywords: Hopf algebras
Work_issues: | Upstream: N/A
Reviewer: bruce | Author: bruce
Merged: | Dependencies:
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Changes (by bruce):
* owner: jbandlow => bruce
Comment:
Replying to [comment:5 jbandlow]:
[[BR]]> I'm not aware of the divided power algebras in sage. You may be
able to get information or ideas on implementation from the sage-algebra
list. From this description, it doesn't look like a quick and limited
implementation would be so hard. (Also, did you mean to have an x
somewhere in your definition of the homomorphism
Qsym-->QuantumDividedPowerAlgebra ? If not, I'm confused as to how the
homomorphism is graded.)
I have put a brief description of the QuantumDividedPowerAlgebra on the
Wiki page. I have also made an attempt at implementing
DividedPowerAlgebra. This did not succeed. I have added this as an
attachment to the wiki page. I am sure this is not correct protocol but I
did not have any better ideas.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11929#comment:6>
Sage <http://www.sagemath.org>
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