Timeline for What are some fundamental "sources" for the appearance of pi in mathematics?
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| Jun 30, 2010 at 4:42 | comment | added | Victor Protsak | Re Hörmander story: Harish-Chandra was known to start his papers/lectures with: "Let us fix a square root of $-1$ and call it $i$". Varadarajan, who admired Harish-Chandra, was doing the same, until he was once interrupted with: "Is your choice of the square root the same as Harish-Chandra's?" | |
| Mar 14, 2010 at 17:43 | history | answered | Torsten Ekedahl | CC BY-SA 2.5 |