Monday, December 13, 2010

Lehrbuch der Kastration, Seifert und Theyllfall

Surgery, the topologist's way.

3 comments:

  1. Ouchhh! That hurts! Of course, it's called Seifert surgery. The diagram commutes.

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  2. The way Pepe's crown jewels look after a Seifert surgery. Not much torsion left in them.

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