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mm-aops

Apparently, this user prefers to keep an air of mystery about them.

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  • Last seen Aug 1 '19 at 19:16

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10 how to prove that $n(n+1)$ can't be square? Jun 9 '14
10 Need to prove that the equation has only 1 solution. Sep 29 '14
10 Union of two $\sigma$-algebras is not $\sigma$-algebra Jan 27 '15
8 For $x\in\mathbb R\setminus\mathbb Q$, the set $\{nx-\lfloor nx\rfloor: n\in \mathbb{N}\}$ is dense on $[0,1)$ Jun 23 '14
7 Additive but not $\sigma$-additive function Sep 13 '14
7 Möbius band with its middle part removed is still connected May 14 '14
7 proving $\lim\limits_{n\to\infty} \int_{0}^{1} f(x^n)dx = f(0)$ when f is continous on [0,1] Nov 18 '13
7 Prove that when $f(A) \subseteq f(B)$ doesn't always mean that $A \subseteq B$ Nov 5 '13
6 simple way to show $|| \partial_x \int_{B(x,\epsilon)} \frac{x-y}{|x-y|^3} f(y) dy||_{\infty} = O(||f||_{\infty})$ in $\mathbb{R}^3$ Jun 17 '14
6 Math Olympiad Algebraic Question Jun 3 '14
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