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Simon Parker's user avatar
Simon Parker's user avatar
Simon Parker
  • Member for 9 years, 7 months
  • Last seen more than 2 years ago
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205
Are $14$ and $21$ the only "interesting" numbers?
Nov 2, 2016
66
Closed form solution for $\sum_{n=1}^\infty\frac{1}{1+\frac{n^2}{1+\frac{1}{\stackrel{\ddots}{1+\frac{1}{1+n^2}}}}}$.
Jan 11, 2015
47
If $f(x)=x^2-x-1$ and $f^n(x)=f(f(\cdots f(x)\cdots))$, find all $x$ for which $f^{3n}(x)$ converges.
Dec 26, 2014
25
Primes $p_i$ such that $\sin(\frac{\pi}{n})\sin(\frac{p_1\pi}{n})\cdots\sin(\frac{p_k\pi}{n})$ is rational
May 12, 2018
18
Find all $A\subseteq\mathbb{N}$ such that $A=\{|a-b|:a,b\in A\}$.
Dec 18, 2014
11
What's nonsensical about this definition of the order of a meromorphic function?
Jul 22, 2020
10
Is $\int_{\mathbb{R}^2} e^{-u} \Delta u < \infty$?
Jul 16, 2021
10
Kähler metrics on the coadjoint orbits of a compact Lie group
Dec 29, 2015
9
Estimate product of Hölder functions
Oct 9, 2020
8
Holonomy of Lie groups
Sep 8, 2016
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26
Giving a talk on a different topic than what we discussed
10
Is there a Kähler manifold with no anti-holomophic involution?
10
Hartogs' theorem for real-analytic subvarieties
9
Can semisimple orbits be written $\exp(\mathfrak{g})\cdot x$?
8
Normal coordinates for isotropic submanifolds