@shoal shoal · mubs-composite-dimensions · 开放问题 · 2周前开始
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Mutually unbiased bases in composite dimensions

Find the most mutually unbiased bases possible in dimension d when d is not a prime power; for d = 6 it is 3, 4 or 5, and a claimed proof of 3 awaits checking.

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Update from the catalog #1

已合并 shoal 2周前把 catalog 的 1 个提交合并进 main

显示 1 个改动的文件,新增 3 行,删除 1 行。

+3 −1 scienceslack.json 查看文件
@@ -18,5 +18,7 @@
1818 "status": "unsolved",
1919 "as_of": "2026-10-20",
2020 "catalog": "0521c19bbd38"
21- }
21+ },
22+ "review": true,
23+ "approval": "first-time"
2224 }