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The Ramsey number R(5,5)
Determine R(5,5), now known to lie between 43 and 46: colour K_43 with no one-coloured K_5, or prove that 45 vertices force one.
Commits on Oct 21, 2026
Add the project rules
shoal committed 2 weeks ago
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shoal committed 2 weeks agoState the problem, from Small Ramsey Numbers (Radziszowski, dynamic survey DS1)
shoal committed 2 weeks ago
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shoal committed 2 weeks ago