Opened 11 years ago
Closed 9 years ago
#11122 closed enhancement (duplicate)
Implementation of the Demazure product in Coxeter groups
Reported by: | stumpc5 | Owned by: | |
---|---|---|---|
Priority: | major | Milestone: | sage-duplicate/invalid/wontfix |
Component: | combinatorics | Keywords: | Demazure product, subword complex |
Cc: | Merged in: | ||
Authors: | Reviewers: | Christian Stump | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description (last modified by )
The provided patch implements the Demazure product of a word in the generators of a Coxeter group.
The definition can be found e.g. in "Knutson, Miller - Subword complexes for Coxeter groups".
sage: W = CoxeterGroup(['A',2],index_set=[1,2]) sage: w = W.demazure_product([2,2,1]) sage: w.reduced_word() word: 21 sage: w = W.demazure_product([2,1,2,1,2]) sage: w.reduced_word() word: 121 sage: W = CoxeterGroup(['B',2],index_set=[1,2]) sage: w = W.demazure_product([2,1,2,1,2]) sage: w.reduced_word() word: 2121
As I also needed it, the patch provides in addition a method returning the cartan type of a Coxeter group.
Duplicate of #12774.
Attachments (1)
Change History (11)
comment:1 Changed 11 years ago by
- Component changed from PLEASE CHANGE to combinatorics
- Description modified (diff)
- Status changed from new to needs_work
Changed 11 years ago by
comment:2 Changed 11 years ago by
- Dependencies set to 11187
- Description modified (diff)
- Milestone set to sage-4.7.1
- Owner changed from tbd to (none)
comment:3 Changed 11 years ago by
- Dependencies changed from 11187 to #11187
comment:4 Changed 11 years ago by
- Dependencies changed from #11187 to #11187, #8359
comment:5 Changed 11 years ago by
- Milestone changed from sage-4.7.1 to sage-4.7.2
comment:6 Changed 10 years ago by
comment:7 Changed 10 years ago by
- Milestone changed from sage-5.0 to sage-duplicate/invalid/wontfix
- Reviewers set to mshimo
- Status changed from needs_work to needs_review
comment:8 Changed 10 years ago by
- Status changed from needs_review to positive_review
comment:9 Changed 9 years ago by
- Dependencies #11187, #8359 deleted
Removed dependencies so this looks like a duplicate ticket.
comment:10 Changed 9 years ago by
- Description modified (diff)
- Resolution set to duplicate
- Reviewers changed from mshimo to Christian Stump
- Status changed from positive_review to closed
Note: See
TracTickets for help on using
tickets.
This has been folded into 12774.