I came across 3 nuggets about the topic : free-time-exploration on internet.
You can search these links on my public listing page on  learning paths
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Convex hull - Wikipedia

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(1) Shawn Halayka on Twitter: "@humblerock @BarakShoshany It's also generated using pseudorandom placement of vertices in 2D. https://t.co/rAjj3LIWtz" / Twitter

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Dirichlet series - Wikipedia

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