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Answer score of 25 or more. This badge can be awarded multiple times.

earned this badge 3 times.
Most interesting mathematics mistake?
Awarded Dec 7, 2017 at 22:40
Coming out as transgender in the mathematical community
Awarded Nov 27, 2017 at 21:33
When is a monic integer polynomial the characteristic polynomial of a non-negative integer matrix?
Awarded Jan 17, 2017 at 21:15

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