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

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21 How does Peano Postulates construct Natural numbers only? Nov 21 '19
10 Finding a metric to make a certain curve a circle Apr 22 '18
9 Function f(1/n)=1/n! Feb 29
8 Prove or disprove: $\forall n\in\mathbb{N^{+}}: f^{(n)}(0)=0$, $f$ is not constant $\implies x=0$ is an extremum of $f$ Nov 28 '19
7 If $f$ increasing, analytic on $\mathbb{R}$ and $\lim_{x\to +\infty}f(x)=1$, does it follows that $\lim_{x\to +\infty}f'(x)=0$? May 1
6 Infinite, totally ordered and well ordered sets Oct 28 '19
5 Hessian and metric tensors on riemannian manifolds Mar 8 '18
5 Electric field and curvature Mar 15 '19
5 if $f$ is an entire function satisfying $|f(z)|\leq |f(z^2)|$ for all $z\in \Bbb C$ then $f$ is constant Mar 2
5 Questionable Proof in Visual Complex Analysis Apr 4
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