Mathematics
s.harp
  • Member for 7 years, 8 months
  • Last seen more than a month ago
  • Germany
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Symmetrical equations are good in their place, but 'vector' is a useless survival, or offshoot from quaternions, and has never been of the slightest use to any creature.

Lord Kelvin in a letter to G.F. FitzGerald, 1896

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15
An old "list question" edited to include other points
May 29 '19
4
Edit summaries/revision history cannot handle MathJax properly
Jan 17 '17
-2
Should perfectly fine questions that have been closed and have an answer be re-opened?
Nov 19 '19
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56
What knot is this?
39
Is this function nowhere analytic?
37
Function that is the sum of all of its derivatives
22
Show that an open linear map between normed spaces is surjective.
20
When is the image of a proper map closed?

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