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# 127 Questions

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### Questions regarding the use of Index Calculus for finite fields and elliptic curves

may 11 '13 at 19:54 esproff 2,366
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### $\int_{\gamma}\frac{dz}{\sqrt{1-z^2}}=2\pi$ Along the path $\gamma(t)=2e^{it}$ for $0\leq t\leq 2\pi$ Implies Sine is $2\pi$ periodic

oct 12 '12 at 4:52 esproff 2,366

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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 esproff 2,366
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### Defining the pre-image topology for $f:A\rightarrow B$

jan 4 at 19:31 Alex M. 16.5k

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