Opened 5 years ago
Closed 5 years ago
#18998 closed enhancement (fixed)
Add a (175,72,20,36)-strongly regular graph, and two more similarly constructed ones
Reported by: | ncohen | Owned by: | |
---|---|---|---|
Priority: | major | Milestone: | sage-6.9 |
Component: | graph theory | Keywords: | |
Cc: | dimpase | Merged in: | |
Authors: | Nathann Cohen, Dima Pasechnik | Reviewers: | Nathann Cohen, Dima Pasechnik |
Report Upstream: | N/A | Work issues: | |
Branch: | 872bb7d (Commits) | Commit: | 872bb7d26f03993cd80254757a0faba6ffaa4c61 |
Dependencies: | Stopgaps: |
Description
As the title says.
Change History (11)
comment:1 Changed 5 years ago by
- Branch set to u/ncohen/18998
- Status changed from new to needs_review
comment:2 Changed 5 years ago by
- Commit set to 5fcb5b9c7036b7f77c4a5e295e3a90163d60b047
comment:3 Changed 5 years ago by
- Commit changed from 5fcb5b9c7036b7f77c4a5e295e3a90163d60b047 to 623b638fcc48e27390463a899468fcae42f6d15a
Branch pushed to git repo; I updated commit sha1. This was a forced push. New commits:
623b638 | trac #18998: Add a (175,72,20,36)-strongly regular graph
|
comment:5 Changed 5 years ago by
perhaps we could add a similar example here:
sage: G=graphs.JohnsonGraph(9,4).distance_graph([1,4]) sage: G.is_strongly_regular(parameters=True) (126, 25, 8, 4)
comment:6 Changed 5 years ago by
- Status changed from positive_review to needs_work
Good idea. Can you add a commit?
Nathann
comment:7 Changed 5 years ago by
- Branch changed from u/ncohen/18998 to public/18998
- Commit changed from 623b638fcc48e27390463a899468fcae42f6d15a to ec1c98dad0f898bd48d6e808c2f5048d5945b25f
- Status changed from needs_work to needs_review
- Summary changed from Add a (175,72,20,36)-strongly regular graph to Add a (175,72,20,36)-strongly regular graph, and two more similarly constructed ones
comment:8 Changed 5 years ago by
- Commit changed from ec1c98dad0f898bd48d6e808c2f5048d5945b25f to 872bb7d26f03993cd80254757a0faba6ffaa4c61
Branch pushed to git repo; I updated commit sha1. New commits:
872bb7d | trac #18998: Doc
|
comment:9 Changed 5 years ago by
- Reviewers set to Nathann Cohen, Dima Pasechnik
I added a commit to fix a doc problem. If that's okay with you, we can set this as 'positive review'.
Nathann
comment:11 Changed 5 years ago by
- Branch changed from public/18998 to 872bb7d26f03993cd80254757a0faba6ffaa4c61
- Resolution set to fixed
- Status changed from positive_review to closed
Note: See
TracTickets for help on using
tickets.
Branch pushed to git repo; I updated commit sha1. New commits:
trac #18995: Approximate LP solving: do not raise exceptions
trac #18998: Add a (175,72,20,36)-strongly regular graph