Dmitriy Zakharov: Convex polytopes from fewer points

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Date: 9/16/22
Speaker :Zakharov Dmitry

Let ESd(n) denote the smallest integer such that any set of ESd(n) points in Rd in general position contains n points in convex position. In 1960, Erdős and Szekeres showed that ES2(n)2n2+1 holds, and famously conjectured that their construction is optimal. This was nearly settled by Suk in 2017, who showed that ES2(n)2n+o(n). We show that ESd(n)=2o(n)holds for all d3. Joint work with Cosmin Pohoata.

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