Mathematics
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David Bowman

UChicago Class of 2020

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Top posts (166) All Questions Answers | Votes Newest

68 Let, $A\subset\mathbb{R}^2$. Show that $A$ can contain at most one point $p$ such that $A$ is isometric to $A \setminus \{p\}$. Nov 22 '16
15 Examples of closed sets with empty interior Dec 27 '16
14 Prove function increasing Dec 19 '16
14 Good math books to discover stuff by yourself Jan 3 '17
13 Why is calculus considered to be difficult? Sep 14 '16
12 If $\sin(2x)=0$, can we prove that $\cos(x)=0$? Dec 29 '16
10 Schur's Theorem: In $\ell^1$ weak convergence of $x_n$ is the same as convergence in the norm Mar 29 '17
6 What is the closure of $\ell_1$ in $\ell_2$? Sep 20 '17
6 Why is the following operator invertible Dec 10 '17
6 Show that $\int_0^1 \int_0^1 \sqrt{\frac{ts}{t^2 + s^2}},dt \,ds < +\infty$? Dec 13 '17
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