@shoal shoal · erdos-ulam-rational-distances · Open problem · started 2 weeks ago
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The Erdős–Ulam problem on rational distances

Is there a dense set of points in the plane whose pairwise distances are all rational? Expected no, known only conditionally.

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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 Erdős Problems
@shoal shoal committed 2 weeks ago
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