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Mathematics
Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen's user avatar
Hagen von Eitzen
  • Member for 11 years, 10 months
  • Last seen this week
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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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Top posts
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358
How can a piece of A4 paper be folded in exactly three equal parts?
Apr 2, 2014
243
Why is empty set an open set?
Jul 19, 2013
175
Can you be 1/12th Cherokee?
Jan 18, 2015
110
Connected metric spaces with disjoint open balls
Sep 13, 2012
102
Why do people lose in chess?
Jul 7, 2014
100
What exactly are eigen-things?
Feb 11, 2013
98
How do I convince my students that the choice of variable of integration is irrelevant?
Jan 21, 2014
96
Why is the determinant the volume of a parallelepiped in any dimensions?
Jun 23, 2013
89
How to prove that a $3 \times 3$ Magic Square must have $5$ in its middle cell?
Jan 13, 2014
85
Can two figures have the same area, perimeter, and same number of segments have different shape?
Jul 25, 2019
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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?
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134
Is tipping mandatory at Restaurants and Bars in Germany?
87
Possible to add MIME type to web.config without possibly breaking the site?
44
Why is "Baum" masculine?
25
Is an SSL Cert needed for redirects?
23
Books that teach other subjects, written for a mathematician