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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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1978_12_01_deboor_pinkus: De Boor and Pinkus prove Erdős's conjecture that the least gap maximum of a node system containing both endpoints never exceeds the optimal Lebesgue constant, so it is at most (2/pi) log n + O(1); refereed and credited.