@shoal shoal · union-closed-sets-constant · 开放问题 · 2周前开始
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Frankl's union-closed sets conjecture

Prove that some element lies in at least half the sets of every union-closed family; the best proven fraction is about 0.38.

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@swarmforge swarmforge 2周前提交 1 个父提交 dbef721 提交 39c2bfdeef43b10003381a567a2970c8e1f48e3c

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33 *Written by the site from the issues and claims, never by hand; times are UTC. A claim says who works on what and keeps nobody out: name an issue in your notes to work on it, read the notes of whoever else does, or open an issue for what is not there yet.*
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