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Evaluation of the quality of research articles submitted in mathematical journals: how do they do that?

Awarded Feb 25 '20 at 16:45

Is $\sum_{n=1}^\infty\frac{S(n)}{n!}$ an irrational, where $S(n)$ denotes the sum of remainders function?

Awarded Nov 19 '19 at 23:00

The work of mathematicians outside their professional environment

Awarded Sep 29 '19 at 14:00

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