Mathematics

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Accepted answer and score of 40 or more. This badge can be awarded multiple times.

earned this badge 3 times.
Why is a covering space of a torus $T$ homeomorphic either to $\mathbb{R}^2$, $S^1\times\mathbb{R}$ or $T$?
Awarded Oct 11 at 22:07
Calculate distance in 3D space
Awarded Apr 19, 2018 at 10:47
Can Euler's identity be extended to quaternions?
Awarded Aug 6, 2017 at 18:12

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