User Fiktor - Mathematics Meta Stack Exchange

Fiktor

Member for 13 years, 4 months
Last seen more than a month ago

St. Petersburg, Russia

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78

Prove that $\prod_{k=1}^{n-1}\sin\frac{k \pi}{n} = \frac{n}{2^{n-1}}$

58

Is there any way to generate custom errors/warnings in LaTeX?

47

How to typeset subscript in usual text mode?

34

How to find a package name by a command name?

31

Fundamental group of GL(n,C) is isomorphic to Z. How to learn to prove facts like this?