This article was fixed (changing the 15 to a 13) last Wednesday, and shows up correctly on my Mac. Try flushing your browser cache. On Mon, Mar 26, 2012 at 1:44 PM, Fred lunnon <fred.lunnon@gmail.com> wrote:
Folks, it's hardly maths and it certainly isn't fun, I know; but ...
I've come across a curious bug at http://en.wikipedia.org/wiki/Lagrange's_four-square_theorem in the section Proof using the Hurwitz integers where (under my browsers) one displayed formula terminates in the proud claim
" (1/4)^2 + (1/2)^2 + (1/2)^2 + (1/2)^2 = 15/16 < 1 . "
Why the fuss --- surely all I need to do is click the edit button to call up the source text, and correct the TeX. The latter certainly looks to be current --- it shows the same typo "consequense" (sic) on the following line --- but there the corresponding formula already reads correctly
" ... =\frac{13}{16}<1. "
Can somebody please check that this is not some individual glitch affecting only my ancient Mac? I have attempted to access the relevant bug search & report pages, but rapidly concluded that negotiating that particular jungle would prove a task for an explorer more heroically committed than myself ...
It is a somewhat alarming prospect that numerical constants on Wikipedia pages may be subject to elementary errors which are impossible to correct!
Fred Lunnon
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