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Timeline for Root systems and sums of squares

Current License: CC BY-SA 2.5

9 events
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Jan 19, 2014 at 4:20 answer added Noam D. Elkies timeline score: 5
Oct 1, 2010 at 6:31 answer added Chua KS timeline score: 4
Sep 30, 2010 at 17:30 answer added Will Jagy timeline score: 3
Sep 30, 2010 at 16:05 comment added VA. In fact, I think $E_n$ is not a sum of ANY number of squares of integral linear forms.
Sep 30, 2010 at 15:41 history edited VA. CC BY-SA 2.5
added 80 characters in body
Sep 30, 2010 at 15:36 history edited VA.
number-theory tag added
Sep 30, 2010 at 15:28 answer added Robin Chapman timeline score: 9
Sep 30, 2010 at 15:18 history edited VA. CC BY-SA 2.5
integral emphasized
Sep 30, 2010 at 15:02 history asked VA. CC BY-SA 2.5