Monday, December 13, 2010

Lehrbuch der Kastration, Seifert und Theyllfall

Surgery, the topologist's way.

3 comments:

Tecumseh said...

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

Arelcao Akleos said...

Oh, the Torsion!

Tecumseh said...

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