In mathematics, there are several notions of "convexity" on metric spaces. == Menger convexity == Karl Menger defined a metric space as convex if any "segment" joining two points in that space has other points in it besides the endpoints.
In mathematics, there are several notions of "convexity" on metric spaces. == Menger convexity == Karl Menger defined a metric space as convex if any "segment" joining two points in that space has other points in it besides the endpoints.
Source: Wikipedia "Convex metric space" · CC BY-SA 4.0
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