#15384: Improvements to root systems
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-6.3
Component: combinatorics | Resolution:
Keywords: root systems, | Merged in:
days54 | Reviewers: Daniel Bump
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | f4cee52a23d5d1c0092100981c46c04dd59dbc37
public/combinat/root_systems/improvements-15384| Stopgaps:
Dependencies: |
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Changes (by bump):
* status: needs_review => positive_review
* reviewer: Dan Bump => Daniel Bump
Comment:
This patch implements some important things from Chapter 6 of Kac' book
for both twisted and untwisted affine Lie algebras, as methods of the
root_lattice_realization or the weight_lattice_realization. These include
a method of enumerating the positive roots (both real and imaginary), the
invariant bilinear form, and a few other things. I tested with Kac' book
in front of me, and all the problems I found have been addressed.
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Ticket URL: <http://trac.sagemath.org/ticket/15384#comment:36>
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