The Road to Reality
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[12.17]
http://www.roadtoreality.info/viewtopic.php?f=4&t=1827
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Author:  FrankZimmermann [ 31 Jul 2011, 21:24 ]
Post subject:  [12.17]

I can't think of a nice argument for the 2\pi loop not to be shrinkable, the 4\pi loop obviously is. How does one prove things like that?

Author:  vasco [ 01 Aug 2011, 06:32 ]
Post subject:  Re: [12.17]

Hi
Have you looked at the proposed solution here on the forum?
viewtopic.php?f=19&t=1415
Regards
Vasco

Author:  FrankZimmermann [ 17 Sep 2011, 22:43 ]
Post subject:  Re: [12.17]

Hi Vasco,

maybe I am too strict, but I think it is not rigid enough of being a proof.

But if it was that, what was intended, it's ok.

Frank

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