#6588: Categories for root systems
-----------------------------+----------------------------------------------
Reporter: nthiery | Owner: mhansen
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.0
Component: combinatorics | Keywords: root systems, categories
Work_issues: | Upstream: N/A
Reviewer: | Author: Nicolas M. Thiéry
Merged: | Dependencies: #10963, #10817
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Description changed by nthiery:
Old description:
> - RootLatticeRealization and friends are now categories
> - iterator for any Coxeter group
> - facade option for weak_poset's of finite coxeter groups
> - ...
>
> Status: the patch is basically good to go. I still want to add coercions
> from the root lattice to the weight lattice and friends; other than that,
> the math review can start.
>
> Note: the indentation is currently wrong in a couple places (2 spaces
> instead of 4) in order to make the diff small. I'll fix that indentation
> for the very final patch.
>
> The dependency upon #10963 is trivial, and we could commute the two
> patches to get this one in quicker.
New description:
See the top of the patch for a complete description of the changes.
Status: the patch is basically good to go. I still want to add coercions
from the root lattice to the weight lattice and friends; other than that,
the math review can start.
Note: the indentation is currently wrong in a couple places (2 spaces
instead of 4) in order to make the diff small. I'll fix that indentation
for the very final patch.
The dependency upon #10963 is trivial, and we could commute the two
patches to get this one in quicker.
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6588#comment:2>
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