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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 (9,423) All Questions Answers | Votes Newest

286 How can a piece of A4 paper be folded in exactly three equal parts? Apr 2 '14
167 Why is empty set an open set? Jul 19 '13
163 Can you be 1/12th Cherokee? Jan 18 '15
102 Connected metric spaces with disjoint open balls Sep 13 '12
97 Why do people lose in chess? Jul 7 '14
92 What exactly are eigen-things? Feb 11 '13
89 How do I convince my students that the choice of variable of integration is irrelevant? Jan 21 '14
69 How can one prove that $e<\pi$? Sep 10 '13
65 Largest prime number with all digits different Oct 25 '14
65 How can I answer this Putnam question more rigorously? Jul 28 '16
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