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# Questions

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### What are the limits of the Erdős-Rankin method for covering intervals by arithmetic progressions?

mar 24 at 2:52 lei feng 1

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13
2
518
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### Random permutations from Brownian motion

mar 24 at 2:56 lei feng 1

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7
1
419
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### Ordered geometries from convex subsets of the plane

feb 5 10 at 20:28 Konrad Swanepoel 1,719918

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### Which popular games are the most mathematical?

may 17 at 11:22 Denis Serre 18.7k13193

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### Combinatorial sequences whose ratios $a_{n+1}/a_{n}$ are integers.

mar 24 at 2:55 lei feng 1

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3k
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### Heuristically false conjectures

feb 13 at 11:36 Timothy Foo 86516

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