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Re: Help: translation of two german words in a Felix Klein's drawing
Posted:
Jan 21, 2011 11:59 AM
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Hi Gottfried!
Thank you very much!
Now you've translated the words, I ask myself: why "y" is negative in
the 4th quadrant where r is odd and rho is even? For x positive, y
should be also positive. Is this a Klein's mistake?
All the best, Humberto.
On 21 jan, 12:09, Gottfried Helms <he...@uni-kassel.de> wrote:
> Am 21.01.2011 14:50 schrieb Humberto Bortolossi:> Greetings!
>
> > The picture available at
>
> >http://www.professores.uff.br/hjbortol/tmp/klein-01.jpg
>
> > was done by Felix Klein in one of his protocols. I'm trying to
> > discover what is written in the second, third and forth quadrants (I
> > suppose the words are written in german).
>
> 2nd Quadrant:
> "r gerade" : "r even"
> "<greek rho> ungerade" : "<greek rho> odd"
>
> 3nd Quadrant:
> "r ungerade" : "r odd"
> "<greek rho> ungerade" : "<greek rho> odd"
>
> 4nd Quadrant:
> "r ungerade" : "r odd"
> "<greek rho> gerade" : "<greek rho> even"
>
>
>
> > I'm also curious to know exactly what Klein was studying when he made
> > this picture. I've tried to search for this information at
>
> >http://www.librarieswithoutwalls.org/image-collections/felix-klein-pr...
>
> ??? Don't know too.
>
> HTH -
>
> Gottfried Helms
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