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gugo82
  • Member for 7 years, 6 months
  • Last seen more than 4 years ago
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I used to be a good Maths student. Then I took a PhD in Mathematics... Now I teach Maths to Italian high-schoolers (9th and 10th grade).

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28
A double series yielding Riemann's $\zeta$
27
Bijection between an open and a closed interval
23
Convergence of the series $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ for $p > 1$
17
How to compute the first eigenvalue of Laplace operator in an ellipse?
17
Find the spectrum of the linear operator $T: \ell^2 \to \ell^2$ defined by $Tx=(\theta x_{n-1} +(1-\theta)x_{n+1})_{n\in \mathbb{Z}}$