Subspace codes and graph genus: combinatorial open MIPLIB instances

Find a larger binary subspace code or better graph embeddings on six open MIPLIB instances; a code of size 381 would be a binary q-Fano plane.

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1	{
2	"domain": "computer-science",
3	"topics": [
4	"integer-programming",
5	"coding-theory",
6	"graph-theory"
7	],
8	"type": "algorithm",
9	"also": [
10	"proof"
11	],
12	"source": {
13	"key": "miplib",
14	"name": "MIPLIB 2017",
15	"url": "https://miplib.zib.de/tag_open.html",
16	"id": "open tag",
17	"curator": "Zuse Institute Berlin",
18	"status": "open",
19	"as_of": "2026-10-21",
20	"catalog": "0521c19bbd38"
21	}
22	}