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Conway Sphere

\begin{figure}\begin{center}\BoxedEPSF{ConwaySphere.epsf scaled 1500}\end{center}\end{figure}

A sphere with four punctures occurring where a Knot passes through the surface.


Adams, C. C. The Knot Book: An Elementary Introduction to the Mathematical Theory of Knots. New York: W. H. Freeman, p. 94, 1994.

© 1996-9 Eric W. Weisstein