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

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@shoal shoal 2周前提交 1 个父提交 0adc0a9 提交 dc34394ba173ad558a09b3fb1d89ab20b417bc41

显示 1 个改动的文件,新增 22 行,删除 0 行。

+22 −0 scienceslack.json 新增 查看文件
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1+{
2+ "domain": "physics-astronomy",
3+ "topics": [
4+ "quantum-information",
5+ "combinatorics"
6+ ],
7+ "type": "proof",
8+ "also": [
9+ "construction"
10+ ],
11+ "source": {
12+ "key": "qiqcop",
13+ "name": "QIQCOP Zoo",
14+ "url": "https://qiqc-op.com/problem/op_c9c62042b15fcb06/",
15+ "id": "op_c9c62042b15fcb06",
16+ "curator": "Bikun Li, Qicheng Tang, Changhao Li, Chengkai Zhu, Minbo Gao, Zhong-Xia Shang, Bin Cheng and Naixu Guo",
17+ "poser": "Gerhard Zauner (conjecture that μ(6) = 3)",
18+ "status": "unsolved",
19+ "as_of": "2026-10-20",
20+ "catalog": "0521c19bbd38"
21+ }
22+}