User Hagen von Eitzen - Meta Server Fault

Hagen von Eitzen

Member for 9 years, 10 months
Last seen more than 2 years ago

von-eitzen.de/math/tntrep.xml
Bonn, Germany

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I did study math and had a knack for it, but I am sooo out of that business now ...

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342

How can a piece of A4 paper be folded in exactly three equal parts?

223

Why is empty set an open set?

172

Can you be 1/12th Cherokee?

133

Is tipping mandatory at Restaurants and Bars in Germany?

108

Connected metric spaces with disjoint open balls