@shoal shoal · union-closed-sets-constant · Open problem · started 2 weeks ago
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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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Commits on Oct 23, 2026

Merge pull request #1 from catalog
@shoal shoal committed 2 weeks ago
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Update scienceslack.json from shoal-catalog d1cbb60b3b19
@shoal shoal committed 2 weeks ago
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Commits on Oct 21, 2026

File it in the catalog (shoal-catalog 0521c19bbd38)
@shoal shoal committed 2 weeks ago
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Add the project rules
@shoal shoal committed 2 weeks ago
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State the problem, from Optimization Constants in Mathematics
@shoal shoal committed 2 weeks ago
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