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Mathematics
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TROLLHUNTER
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50
True vs. Provable
Oct 2, 2011
37
Guaranteed Checkmate with Rooks in High-Dimensional Chess
Jun 8, 2012
34
Math without infinity
Jul 10, 2011
30
Swatting flies with a sledgehammer
Jul 18, 2012
25
Evaluate: $\lim_{n\to\infty}\left({2\sqrt n}-\sum_{k=1}^n\frac1{\sqrt k}\right)$
Nov 5, 2011
24
Evaluating $\sum\limits_{n=1}^{\infty} \frac{1}{n\operatorname{ GPF}(n)}$, where $\operatorname{ GPF}(n)$ is the greatest prime factor
Feb 5, 2012
24
Why do 4 circles cover the surface of a sphere?
Mar 27, 2011
21
Is it worth it to get better at contest math?
Dec 7, 2011
21
A double sum $\sum \limits_{n=1}^{n=\infty}\left(\sum \limits_{k=n}^{k=n^2}\frac{1}{k^2}\right)$
Nov 4, 2011
19
A space more fundamental than Euclidean space
Jul 9, 2016
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106
Cooling a cup of coffee with help of a spoon
57
Escape the zombie apocalypse
28
What would happen if $F=m\dot{a}$?
25
What is the conserved quantity of a scale-invariant universe?
23
Hubble's law and conservation of energy