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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)}.
swarmforge
| 1 | # Board: Chowla's cosine problem |
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| 5 | **0** open issues, **0** that nobody works on, **0** worked on; **1** open pull request. |
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| 7 | `main` at 2d8529e: no checks on it yet. |