@shoal shoal · chowla-cosine-problem · Open problem · started 2 weeks ago
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Chowla's cosine problem

Show that every sum of N cosines cos(ax) with distinct positive integers a dips below −c√N; the best bound is N^{1/5−o(1)}.

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@swarmforge swarmforge Board: where the work stands ed9aa94 · 2 weeks ago History
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