#14844: Implement cluster algebras with universal coefficients
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Reporter: etn40ff | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: cluster algebras | Merged in:
Authors: Salvatore Stella | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/ticket/14844 | 642df2c6df47fa62e522bddefd08d36f049bb65f
Dependencies: | Stopgaps:
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Changes (by chapoton):
* commit: 5d7bc4df616bc055a9c58906c6030975feea68de =>
642df2c6df47fa62e522bddefd08d36f049bb65f
* branch: u/etn40ff/ticket/14844 => public/ticket/14844
Comment:
Hello,
here is a tentative, that could work. I have tried to use the CartanMatrix
setting to produce the almost positive roots.
Could you please tell me if it does what it should ?
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New commits:
||[http://git.sagemath.org/sage.git/commit/?id=d6e86b2712bfb35b71e13b55b9f5df4066a0d35f
d6e86b2]||{{{Avoid loading not needed functions and improve slightly the
procedure to construct coroots.}}}||
||[http://git.sagemath.org/sage.git/commit/?id=642df2c6df47fa62e522bddefd08d36f049bb65f
642df2c]||{{{trac #14844 tentative of simplification using
CartanMatrix}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/14844#comment:9>
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