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Victor Chen

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9 Express $1 + \frac {1}{2} \binom{n}{1} + \frac {1}{3} \binom{n}{2} + \dotsb + \frac{1}{n + 1}\binom{n}{n}$ in a simplifed form Jul 3 '16
8 A non-Hausdorff space with a Hausdorff subspace [closed] Mar 10 '17
6 How can I calculate $(1+i)^{5404}$? Jul 3 '16
5 Is $\displaystyle \lim_{n \rightarrow \infty} \frac{[1,2, \cdots, n]}{3^n} = 0$? Jul 29 '17
3 Why Cauchy Distribution isn't Exponental Family? Mar 29 '16
2 Show by example that $A \ge B \ge 0 \implies A^2 \ge B^2 \ge 0$ is not true in general Jul 10 '16
2 Do we have $x = (x_i)_{i \in I} \in \overline{T} \Longleftrightarrow x_i \in \overline{p_i (T)}, \forall i \in I$? Feb 26 '17
2 An open covering of $\mathbb{Q} \cap [0,1]$ that does not contain any finite subcovering Mar 23 '17
1 The prime ideals of $\mathbb{Z} [x] \otimes_{\mathbb{Z}} \mathbb{F}_p$ Mar 25 '17
1 Find the distribution of $X$ from the linear equation $AX = b$ Apr 5 '17
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