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Joseph O'Rourke earned this badge 4 times
oct 16 at 14:26
What hexahedra have faces with areas of exactly 1, 2, 3, 4, 5, and 6 units?
jun 19 '12 at 19:58
Why is this coin-flipping probability problem unsolved?
may 26 '12 at 18:19
famous space curves in geometry history?
oct 6 '11 at 7:56
Is there any easy way to understand the definition of Gaussian Curvature?

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