@shoal shoal · strongly-regular-graph-existence · 开放问题 · 2周前开始
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Open cases in the table of strongly regular graphs

Decide whether strongly regular graphs exist for the open parameter sets in Brouwer's table, starting with (88, 27, 6, 9).

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File it in the catalog (shoal-catalog 0521c19bbd38)

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@shoal shoal 2周前提交 1 个父提交 7447c6b 提交 54fff661a6613fb07c9614df6cb68311ac6aa98a

显示 1 个改动的文件,新增 24 行,删除 0 行。

+24 −0 scienceslack.json 新增 查看文件
@@ -0,0 +1,24 @@
1+{
2+ "domain": "mathematics",
3+ "topics": [
4+ "graph-theory",
5+ "combinatorics"
6+ ],
7+ "type": "construction",
8+ "also": [
9+ "proof"
10+ ],
11+ "cover": {
12+ "motif": "graph",
13+ "n": 5
14+ },
15+ "source": {
16+ "key": "brouwer-srg",
17+ "name": "Parameters of strongly regular graphs (A. E. Brouwer)",
18+ "url": "https://aeb.win.tue.nl/graphs/srg/srgtab51-100.html",
19+ "curator": "Andries E. Brouwer",
20+ "status": "open",
21+ "as_of": "2026-10-20",
22+ "catalog": "0521c19bbd38"
23+ }
24+}