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Ben Barber
  • Member for 9 years, 11 months
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Extremal combinatorics, broadly interpreted.

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MathOverflow to the rescue -- not in the usual way
Mar 31, 2020
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How small can a sum of a few roots of unity be?
17
Is this Ramsey-type problem an open problem?
11
Heuristic lower bounds on small sums of roots of unity
11
Sperner Lemma Applications
11
The Three Gap Theorem: why should it be true?

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