Changes between Version 6 and Version 9 of Ticket #5794
- Timestamp:
- 05/01/09 16:25:58 (13 years ago)
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Ticket #5794
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Property
Status
changed from
new
toassigned
- Property Owner changed from joyner to bump
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Property
Summary
changed from
[with patch, needs review] G2 and F4 branching rules
to[with patch, needs review] exceptional and reducible type branching rules
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Property
Status
changed from
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Ticket #5794 – Description
v6 v9 1 The first patch implements branching rules to the following subgroups of Lie groups: 1 The patch {{{trac_5794-revised.patch}}} supercedes 2 the other two patches. It applies cleanly on sage-3.4.2.rc0. 3 Patch summary: 2 4 3 5 {{{ 4 G2 => A1 (along short root) 5 G2 => A2 6 B3 => G2 7 D4 => G2 6 7 - new branching rules, including exceptional and reducible types 8 - all new rules have tests but slower F4 tests are # long time 9 - bugfix: reducible root system methods simple_roots etc. return families 10 - Cartan Types B, C and D allow low rank cases such as D2, B1 and C1 11 - WeylCharacterRings: new style="coroots" option gives output similar to published tables 12 - WeylCharacterRings: methods for rank, simple_roots etc. 13 - doc revision in weyl_characters.py 8 14 }}} 9 15 10 The second patch implements branching rules: 11 12 {{{ 13 F4 => B3 14 F4 => C3 15 F4 => B4 16 }}} 17 18 They go on top of the following patches: 19 20 {{{ 21 trac_5721-a.patch 22 trac_5721-b.patch 23 trac_5751.patch 24 }}} 16 This patch contains #5831. If this patch is merged, that ticket may be closed.