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Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
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2026_07_14_petkov: Petkov's 2026 manuscript asserting that, with probability tending to one along all integers, the chromatic number of G(n,1/2) exceeds its cochromatic number by at least c n/(log n)^3; accepted on the curator's credit.
2026_09_09_serraj: Serraj's September 2026 manuscript claiming a complete proof along all integers by a route different from Petkov's, with a cochromatic second-moment proposition; AI-assisted, unreviewed, not refereed.
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