Mathematics
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Hagen von Eitzen

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 (9,885) All Questions Answers | Votes Newest

299 How can a piece of A4 paper be folded in exactly three equal parts? Apr 2 '14
181 Why is empty set an open set? Jul 19 '13
165 Can you be 1/12th Cherokee? Jan 18 '15
104 Connected metric spaces with disjoint open balls Sep 13 '12
99 Why do people lose in chess? Jul 7 '14
93 What exactly are eigen-things? Feb 11 '13
91 How do I convince my students that the choice of variable of integration is irrelevant? Jan 21 '14
82 Can two figures have the same area, perimeter, and same number of segments have different shape? Jul 25
70 How can one prove that $e<\pi$? Sep 10 '13
68 How can I answer this Putnam question more rigorously? Jul 28 '16
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