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William Stagner

I am a second year PhD student at Rice University.

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  • Member for 8 years, 2 months
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  • Last seen May 4 '20 at 3:15

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45 If you draw two cards, what is the probability that the second card is a queen? May 18 '15
40 When are two proofs “the same”? Apr 19 '15
25 Let $G$ be a Lie group. Show that there is a diffeomorphism $TG \cong G \times T_e G$. Feb 20 '13
14 Integration $\int \left(x-\frac{1}{2x} \right)^2\,dx $ May 18 '13
11 Motivation for definition of quotient map and “passing to the quotient” Sep 30 '15
9 Find $\text{Aut}(\mathbb{Z})$. Apr 2 '15
8 How does $e^0 = 1$ if you define $e^x = \sum_{n = 0}^\infty x^n/n!$ May 20 '13
7 Prove that $\mathbb{Z}$ is not isomorphic to additive group of any vector space over any field. May 5 '14
7 Is any compact, path-connected subset of $\mathbb{R}^n$ the continuous image of $[0,1]$? Apr 17 '15
7 What's wrong?: Find the infinite sum $S = 1 + \frac{3}{4} + \frac{7}{16} + \frac{15}{64} + \frac{31}{256} + \ldots$ May 13 '15
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