Mathematics
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Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen
  • Member for 10 years, 5 months
  • Last seen this week
  • von-eitzen.de/math/tntrep.xml
  • Bonn, Germany
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About

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

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All Questions Answers
Score Newest
answer
348
How can a piece of A4 paper be folded in exactly three equal parts?
Apr 2, 2014
answer
231
Why is empty set an open set?
Jul 19, 2013
answer
175
Can you be 1/12th Cherokee?
Jan 18, 2015
question
108
Connected metric spaces with disjoint open balls
Sep 13, 2012
answer
100
Why do people lose in chess?
Jul 7, 2014
answer
97
What exactly are eigen-things?
Feb 11, 2013
answer
96
How do I convince my students that the choice of variable of integration is irrelevant?
Jan 21, 2014
answer
87
Why is the determinant the volume of a parallelepiped in any dimensions?
Jun 23, 2013
answer
85
Can two figures have the same area, perimeter, and same number of segments have different shape?
Jul 25, 2019
answer
82
How to prove that a $3 \times 3$ Magic Square must have $5$ in its middle cell?
Jan 13, 2014
Top Meta posts
6
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45
Request for my id to be deleted
30
Congratulations, Hagen von Eitzen! +100k !!
18
How do you know that their answers are correct?
18
Abuse of closing reasons?
16
Are there a "minimal requisites" that people should have to ask here?
Top network posts
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133
Is tipping mandatory at Restaurants and Bars in Germany?
82
Possible to add MIME type to web.config without possibly breaking the site?
43
Why is "Baum" masculine?
24
Books that teach other subjects, written for a mathematician
24
Is an SSL Cert needed for redirects?

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