aska langley

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Aug
11
 revised Order of a set $X$ acted upon transitively by the Symmetric Group
added 4 characters in body
Aug
11
 answered Order of a set $X$ acted upon transitively by the Symmetric Group
Aug
11
 answered Graph isomorphism as permutation matrix.
Aug
11
 comment Graph isomorphism as permutation matrix.
$\pi M=M\pi$ is $M=\pi^{-1}M\pi$
Aug
11
 comment Graph isomorphism as permutation matrix.
Why is not it obvious?
Aug
11
 answered Is there a solution to the definite integral, $\int\limits_{0}^{\infty} \frac{1}{x^{\frac{1}{n}}}\frac{1}{1+x^2}\mathrm{d}x$ where, $n \in \mathbb{N}$
Aug
11
 asked Summation of divergent series of Euler: $0!-1!+2!-3!+\cdots$
Aug
11
 awarded  Supporter
Aug
10
 awarded  Teacher
Aug
10
 awarded  Student
Aug
10
 comment Showing $f(x)=\sum_{n=1}^{\infty}{\sin\left(\frac{x}{n^2}\right)}$ is continuous.
Or $\sum_{k=N}^{\infty}sin(x/k^2)<C\sum_{k=N}^{\infty}1/k^2\to 0$
Aug
10
 comment Showing $f(x)=\sum_{n=1}^{\infty}{\sin\left(\frac{x}{n^2}\right)}$ is continuous.
But your inequality is uniform with respect to x!
Aug
10
 answered Showing $f(x)=\sum_{n=1}^{\infty}{\sin\left(\frac{x}{n^2}\right)}$ is continuous.
Aug
10
 comment Define integral for $\gamma,\zeta(i) i\in\mathbb{N}$ and Stirling numbers of the first kind
Sasha: Yes, thank you
Aug
10
 awarded  Editor
Aug
10
 revised Define integral for $\gamma,\zeta(i) i\in\mathbb{N}$ and Stirling numbers of the first kind
deleted 2 characters in body
Aug
10
 asked Define integral for $\gamma,\zeta(i) i\in\mathbb{N}$ and Stirling numbers of the first kind
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