Tyroshi pleasure barge
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# 113 Questions

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### Why is the Euclidean metric called the prime at infinity?

mar 20 '13 at 6:39 Tyroshi pleasure barge 1,729

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### For a family of functions $F\subset C(X)$ in the metric space $(C(X),d)$, if $F$ is compact on compact subsets of $X$, then $F$ is compact on $X$

mar 25 '13 at 16:53 Davide Giraudo 91k
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### Help proving that $\frac{2}{n+\frac{1}{2}} \leq \int_{\frac{1}{n+1}}^{\frac{1}{n}}\sqrt{1+(\sin(\frac{\pi}{t}) -\frac{1}{t}\cos(\frac{\pi}{t}))^2}dt$

jul 11 '12 at 20:17 Tyroshi pleasure barge 1,729

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