#11929: Implement quasi-symmetric functions
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Reporter: bruce | Owner: bruce
Type: enhancement | Status: new
Priority: minor | Milestone: sage-5.1
Component: combinatorics | Resolution:
Keywords: Hopf algebras | Work issues:
Report Upstream: N/A | Reviewers: bruce
Authors: bruce | Merged in:
Dependencies: | Stopgaps:
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Description changed by nthiery:
Old description:
> Implement quasisymmetric functions as a graded Hopf algebra with basis.
> The preferred basis is the basis of fundamental quasisymmetric functions.
> This should also implement the inclusion of the Hopf algebra of symmetric
> functions (as a homomorphism) and the principle
> specialisation (as a homomorphism).
New description:
Implement quasisymmetric functions as a graded Hopf algebra with basis.
The preferred basis is the basis of fundamental quasisymmetric functions.
This should also implement the inclusion of the Hopf algebra of symmetric
functions (as a homomorphism) and the principle
specialisation (as a homomorphism).
This feature is being implemented as part of #8899
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11929#comment:9>
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