User Sil - MathOverflow Meta

Sil

Member for 4 years
Last seen more than a month ago

projecteuler.net/profile/…
Brno, Czech Republic

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About

I graduated in mathematics sometime in a past, now I work as a software engineer.

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188

Why do polynomials with coefficients $0,1$ like to have only factors with $0,1$ coefficients?

121

Visually stunning math concepts which are easy to explain

29

If $n$ is square-free and $n+1 \mid \sigma(n)$, is $n$ a prime?

24

Prove $4-\sqrt{2}-\sqrt[3]{3}-\sqrt[5]{5} \gt 0$

22

Proof that a group is abelian if every square is the identity.