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Top posts (213) All Questions Answers | Votes Newest

16 Why do I disagree with my calculator? Jul 27 '13
13 Maps from $D^n$ to $D^n$ with a single inverse set are open. Mar 18 '15
13 Digit in units place of $1!+2!+\cdots+99!$ Feb 24 '14
13 Can $\mathbb C P^4$ be smoothly embedded in $\mathbb R^{12}$? Dec 19 '15
11 Bounding $(x+y)^n$ May 13 '14
10 Why $\mathbb{RP}^2$ can not be embedded to $\mathbb{R}^3$? Nov 20 '14
10 Elementary proof of the fact that any orientable 3-manifold is parallelizable Jan 17 '15
8 Prove that $n^n \le (n!)^2$. Jul 28 '14
8 what is the fundamental group of a torus with $k$ points removed Aug 12 '14
8 Is $C[0,1]$ open in $B[0,1]$? Dec 28 '13
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