#13240: Give posets polynomials (order, characteristic, zeta, etc.)
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Reporter: csar | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.10
Component: combinatorics | Resolution:
Keywords: sd40, days45 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Alex Csar, Kevin Dilks | Merged in:
Dependencies: | Stopgaps:
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Description changed by chapoton:
Old description:
> Adding some of the polynomials from Stembridge's Posets package for Maple
> (see http://www.math.lsa.umich.edu/~jrs/software/posetshelp.html),
> namely:
>
> * characteristic polynomial
> * W-polynomial
> * zeta polynomial
> * flag f-polynomial
> * flag h-polynomial
> * f-polynomial
> * h-polynomial
> * order polynomial
New description:
Adding some of the polynomials from Stembridge's Posets package for Maple
(see http://www.math.lsa.umich.edu/~jrs/software/posetshelp.html), namely:
* characteristic polynomial (done)
* W-polynomial
* zeta polynomial (done)
* flag f-polynomial (done)
* flag h-polynomial (done)
* f-polynomial (done)
* h-polynomial (done)
* order polynomial
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13240#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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