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Sphere_wrapped_round_itself.png(378 × 356 pixels, file size: 36 KB, MIME type: image/png)

Description Illustration for Homotopy groups of spheres
Date 19 October 2007 10:06(oringinal upload time)
Source Tranfered from en:File:Sphere wrapped round itself.png by 刻意.
Author Salix alba
( Reusing this file)


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Illustration for Homotopy groups of spheres, π2(S2)=Z. The equation is , with .

Made with SingSurf and JavaView, post processed with gimp/inkscape.

Author: R Morris


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current 05:01, 2 June 2009 Thumbnail for version as of 05:01, 2 June 2009378 × 356 (36 KB)刻意{{Information |Description=Illustration for en:Homotopy groups of spheres |Source= en:File:Sphere wrapped round itself.png |Date=10:06, 19 October 2007(oringinal upload time) |Author= en:Salix alba |Permission=== Licensing == {{self|GFDL|cc
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