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Yourong 'DZR' Zang

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8 How to prove that $\frac{\pi}{2}=\left[1, 1, \tfrac{1}{2},\tfrac{1}{3},\tfrac{1}{4},\ldots\right]$? Dec 20 '20
3 Confusion about an author's use of “$A\backslash B$” to indicate a quotient Sep 5 '19
3 Why is Mobius group denoted by $Aut(\hat{\mathbb{C}})$ Sep 29 '19
2 what is the difference between isolated point and non isolated point in metric space X? Oct 7 '19
2 Proof without words of $\oint zdz = 0$ and $\oint dz/z = 2\pi i$ Oct 9 '19
2 Why is the following equation true? Jun 30 '20
2 Determine the set of values taken by a Bohr's function Jul 7 '20
2 Riemann Sphere as extended complex plane Dec 12 '19
2 Show $\int_ {\mathbb{D}}f(\frac{\alpha(x_1+ix_2)+\beta}{\bar{\beta}(x_1+ix_2)+\bar{\alpha}})d\mu(x_1,x_2)=\int_ {\mathbb{D}}f(x_1+ix_2)d\mu(x_1,x_2)$ Oct 14 '19
2 How to prove this summation and integral equality? It's related to i factorial. Oct 17 '19
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