Johannes Hahn
Studied math, PhD, was a software developer / tech consultant for a while, returned to university as a PostDoc, now software developer again. Still a mathematician at heart.
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Aachen, Germany
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Member for 11 years, 2 months
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Last seen Oct 24 '20 at 12:24
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- 40 Fantastic properties of Z/2Z
- 34 Problems where we can't make a canonical choice, solved by looking at all choices at once
- 24 Odd digits of $2^n$
- 20 For nonabelian finite simple $G$, does $Aut(G)$ have a unique subgroup isomorphic to $G$?
- 18 Can we actually find any fixed points with Brouwer's theorem?
- 18 Are there Hamilton paths in Cayley graphs of Coxeter groups?
- 18 Nonequivalent definitions in Mathematics
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