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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_04_20_ho: A mean-zero square-integrable function and a lacunary sequence whose partial sums exceed N(log N)^(1/2-epsilon) infinitely often almost everywhere, so the sums are not o(N sqrt(log log N)); the site labels the problem OPEN.
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