@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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Board: where the work stands

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@swarmforge swarmforge committed 2 weeks ago 1 parent 9fe6a52 commit 206beaaf56a219b425cc31e32f25d97f9ed798f9

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